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Symposium 33: Role of peroral cholangioscopy in the early detection and diagnosis of indeterminate biliary lesions English

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Vista 1
Chair(s) Don Haeng Lee (Inha University, Korea)
Yuki Tanisaka (Saitama Medical University International Medical Center, Japan)
Speaker(s) 08:30-08:52 Recent technological advances and innovations in POC systems Min Je Sung (Yonsei University Wonju, Korea)
08:52-09:14 Progress and refinement in visual interpretation of POC findings Il Sang Shin (Soonchunhyang University, Korea)
09:14-09:36 Application of image-enhanced endoscopic techniques in POC Yuki Tanisaka (Saitama Medical University International Medical Center, Japan)
09:36-09:58 Advances in POC-guided tissue acquisition and diagnostic yield Jin Ho Choi (Seoul National University, Korea)
09:58-10:00 Q&A

Symposium 34: Constipation 2026: From evaluation to advanced therapies English

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Vista 2
Chair(s) In-Kyung Sung (Konkuk University, Korea)
Jung Won Lee (Sungkyunkwan University, Korea)
Speaker(s) 08:30-08:52 Work-up of chronic constipation: Distinguishing DD, STC, and secondary causes Sunyoung Park (Chonnam National University, Korea)
08:52-09:14 Refractory constipation: Combination therapy & when to escalate Hoyoung Wang (University of Ulsan, Korea)
09:14-09:36 Beyond laxatives: Biofeedback, devices, and neuromodulation – Who benefits? Tae Hee Lee (Soonchunhyang University, Korea)
09:36-09:58 When to operate: Colectomy and surgical outcomes in refractory constipation Seung-Bum Ryoo (Seoul National University, Korea)
09:58-10:00 Q&A

Combined Symposium 07 (KSPGHAN+KSG): ROME V across the lifespan: Pediatric and adult disorders of gut-brain interaction English

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Vista 3
Chair(s) Kyung Mo Kim (University of Ulsan, Korea)
Sujin Jeong (CHA University, Korea)
Speaker(s) 08:30-08:52 Pediatric upper DGBI in Rome V: Practical updates for clinical management Yoowon Kwon (Chungnam National University, Korea)
08:52-09:14 Adult upper DGBI in Rome V: Lifespan transition and advanced management Seung In Seo (Hallym University, Korea)
09:14-09:36 Rome V updates in pediatric lower DGBI: Practical diagnostic and therapeutic approaches Jung Yeon Joo (Chosun University, Korea)
09:36-09:58 Adult lower DGBI in Rome V: From natural history to precision therapy Yehyun Park (Ewha Womans University, Korea)
09:58-10:00 Q&A

PG Course 05: Advanced management of gastroenterology and hepatobiliary disease Korean

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Grand 1
Chair(s) Seung Ok Lee (Jeonbuk National University, Korea)
Jae Myung Cha (Kyung Hee University, Korea)
Speaker(s) 08:30-08:52 Advanced management of peptic ulcer disease – Beyond acid suppression A Reum Choe (Ewha Womans University, Korea)
08:52-09:14 Comprehensive updates in inflammatory bowel disease: Focus on biologic therapies Jung Rock Moon (Kyung Hee University, Korea)
09:14-09:36 Updated guidelines in hepatocellular carcinoma Moon Hyung Lee (Kyung Hee University, Korea)
09:36-09:58 How should we diagnose and treat pancreatobiliary diseases in clinical practice Jae Min Lee (Korea University, Korea)
09:58-10:00 Q&A

Symposium 35: Beyond detection: Human expertise in the age of AI English

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Grand 4+5
Chair(s) Seong Woo Jeon (Kyungpook National University, Korea)
Philip Wai Yan Chiu (The Chinese University of Hong Kong, Hong Kong)
Speaker(s) 08:30-08:52 From assistance to autonomy: The clinical impact of physical AI Hyunsoo Chung (Seoul National University, Korea)
08:52-09:14 Human–AI collaboration: Is deskilling a real risk? Jie-Hyun Kim (Yonsei University, Korea)
09:14-09:36 Cognitive bias and AI over-reliance in clinical decision-making Jung Ho Bae (Seoul National University, Korea)
09:36-09:58 Re-defining competency: Training the AI-augmented clinician Philip Wai Yan Chiu (The Chinese University of Hong Kong, Hong Kong)
09:58-10:00 Q&A

Abdominal US training specialist 01 Korean

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Walker 1
Chair(s) Soo Young Park (Kyungpook National University, Korea)
Speaker(s) 08:30-08:52 The imperative for a holistic ultrasound training framework in gastroenterology Tae Suk Kim (Kangwon National University, Korea)
08:52-09:14 Identification and mitigation of US imaging artifacts Han Ah Lee (Chung-Ang University, Korea)
09:14-09:36 Classic findings and pitfalls: Navigating diagnostic variants in cholecystitis Sung Bum Kim (Yeungnam University, Korea)
09:36-09:58 Scanning guide for pancreas and spleen: Overcoming technical challenges Jeong Eun Song (Daegu Catholic University, Korea)
09:58-10:00 Q&A

Abdominal US training beginner Korean

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Walker 2
Chair(s) Seung Kak Shin (Gachon University, Korea)
Speaker(s) 08:30-09:00 Fundamentals of abdominal ultrasound Heejoon Jang (Seoul National University Boramae, Korea)
09:00-09:30 Scanning technique for the beginner: Liver Seul Ki Han (Yonsei University Wonju, Korea)
09:30-10:00 Scanning technique for the beginner: Pancreato-biliary, spleen, vascular Hyo Jung Cho (Ajou University, Korea)

Symposium 36: Precision surveillance in IBD: Integrating optical imaging and artificial intelligence English

Date / Time Nov. 21 (Sat), 08:30-10:00
Room Art Hall
Chair(s) Dong Il Park (Sungkyunkwan University, Korea)
Hsu-Heng Yen (Changhua Christian Hospital, Taiwan)
Speaker(s) 08:30-08:52 Real-world challenges in endoscopic assessment of IBD: From preparation to interpretation Jaeyoung Chun (Yonsei University, Korea)
08:52-09:14 Advanced endoscopic imaging for IBD: NBI, BLI, and i-scan Hsu-Heng Yen (Changhua Christian Hospital, Taiwan)
09:14-09:36 Artificial intelligence in IBD colonoscopy: Automated inflammation scoring and dysplasia detection Sung Noh Hong (Sungkyunkwan University, Korea)
09:36-09:58 From detection to decision: Managing visible and invisible dysplasia Dong-Hoon Yang (University of Ulsan, Korea)
09:58-10:00 Q&A

Symposium 37: Endoscopic management of malignant duodenal obstruction English

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Vista 1
Chair(s) Jae Hyuk Do (Chung-Ang University, Korea)
Yu-Ting Kuo (National Taiwan University, Taiwan)
Speaker(s) 10:20-10:42 Enteral stenting: Techniques and clinical outcomes Dongwook Oh (University of Ulsan, Korea)
10:42-11:04 EUS-guided balloon-occluded gastrojejunostomy bypass (EPASS technique): Techniques and clinical outcomes Shuntaro Mukai (Tokyo Medical University, Japan)
11:04-11:26 Surgical gastrojejunostomy: Techniques and clinical outcomes Jung Woo Lee (Hallym University, Korea)
11:26-11:48 Enteral stenting vs EUS-guided jejunostomy vs surgical gastrojejunostomy: A paradigm shift in gastric outlet obstruction management? Yu-Ting Kuo (National Taiwan University, Taiwan)
11:48-11:50 Q&A

Combined Symposium 08 (KSG+AGA): EUS-guided gallbladder and biliary drainage: East–West perspectives and technical optimization English

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Vista 2
Chair(s) Shyam Varadarajulu (Orlando Health, USA)
Jong-Kyun Lee (Sungkyunkwan University, Korea)
Speaker(s) 10:20-10:42 Clinical outcomes of EUS-guided gallbladder drainage in high-risk surgical patients: The Asian experience Sang Hyub Lee (Seoul National University, Korea)
10:42-11:04 Clinical outcomes of EUS-guided gallbladder drainage in high-risk surgical patients: The U.S. experience Todd Baron (The University of North Carolina, USA)
11:04-11:26 EUS drainage strategy for distal malignant biliary obstruction: Why hepaticogastrostomy first? Sung Woo Ko (The Catholic University of Korea, Korea)
11:26-11:48 EUS drainage strategy for distal malignant biliary obstruction: Why choledochoduodenostomy first? Shyam Varadarajulu (Orlando Health, USA)
11:48-11:50 Q&A

Symposium 38: Advances in IBD management across the lifespan English

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Vista 3
Chair(s) Yon Ho Choe (Sungkyunkwan University, Korea)
Jin Soo Moon (Seoul National University, Korea)
Speaker(s) 10:20-10:42 AI-assisted small bowel capsule endoscopy in the assessment of pediatric and adult IBD Yeoun Joo Lee (Pusan National University, Korea)
10:42-11:04 Differences in biologic therapies in pediatric and adult IBD patients Jia-Feng Wu (National Taiwan University, Taiwan)
11:04-11:26 Therapeutic switching strategies in pediatric IBD Suporn Treepongkaruna (Mahidol University, Thailand)
11:26-11:48 Drug screening in PIBD using patient-derived intestinal organoid monolayers Ky Young Cho (Hallym University, Korea)
11:48-11:50 Q&A

PG Course 06: Clinical case conference: Diagnosing DGBI through GI function testing Korean

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Grand 1
Chair(s) Joong Goo Kwon (Daegu Catholic University, Korea)
Jung Ho Park (Sungkyunkwan University, Korea)
Speaker(s) 10:20-10:42 Using GI function testing in non-cardiac chest pain: When and how? Yonghwan Kwon (Kyungpook National University, Korea)
10:42-11:04 Using GI function testing to differentiate refractory heartburn Ilsoo Kim (The Catholic University of Korea, Korea)
11:04-11:26 Gastric function testing for suspected dyspepsia or gastroparesis Seung Jung Yu (Inje University, Korea)
11:26-11:48 Chronic constipation – Transit delay or pelvic floor dysfunction? Rari Cha (Gyeongsang National University, Korea)
11:48-11:50 Q&A

Free Paper 24: Lower GI 04 English

Date / Time Nov. 21 (Sat), 10:20-11:00
Room Grand 4+5
Chair(s) Dong-Hoon Yang (University of Ulsan, Korea)
Seong-Eun Kim (Ewha Womans University, Korea)
Speaker(s) 10:20-10:30 Right colon adenoma detection rate and risk of post-colonoscopy colorectal cancer: A complementary quality indicator Jin Ho Hwang (Yonsei University, Korea)
10:30-10:40 Adult children as digital care partners for parental colorectal cancer screening: A cross-sectional survey Yeonjoo Seo (The Catholic University of Korea, Korea)
10:40-10:50 A validation study of methylated Syndecan-2 in stool DNA for the detection of colorectal cancer Hyoung Il Choi (Kyung Hee University, Korea)
10:50-11:00 Clinicopathologic and biomolecular features of interval colorectal cancers in Korean patients after propensity score weighting analysis: A Korean Association for the Study of Intestinal Disease multicenter prospective study Joo Hye Song (Konkuk University, Korea)

Free Paper 25: Lower GI 05 English

Date / Time Nov. 21 (Sat), 11:00-11:50
Room Grand 4+5
Chair(s) Dong Kyung Chang (Sungkyunkwan University, Korea)
Ja Seol Koo (Korea University, Korea)
Speaker(s) 11:00-11:10 Impact of topical powder application after ESD for large colorectal lesions: A multicenter randomized controlled trial Yunho Jung (Soonchunhyang University, Korea)
11:10-11:20 Artificial intelligence-assisted optical diagnosis for colorectal polyps: A multicenter real-world validation study using an interactive computer-aided diagnosis system Min Kyu Kim (University of Ulsan, Korea)
11:20-11:30 Multimodal deep learning for predicting high-risk pathological features in superficial colorectal cancer Hyeonho Choi (Yonsei University Wonju, Korea)
11:30-11:40 Preliminary clinical value of peaked transparent cap-assisted endoscopic submucosal dissection for colorectal polyps Junhao Liu (The Affiliated Hospital of Southwest Medical University, China)
11:40-11:50 Diagnostic yield of small-bowel capsule endoscopy according to antithrombotic regimen in patients with suspected small-bowel bleeding: A Korean multicenter study Jeong Zik Hong (Daegu Catholic University, Korea)

Abdominal US training specialist 02 Korean&English

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Walker 1
Chair(s) Ki Tae Suk (Hallym University, Korea)
Speaker(s) 10:20-10:42 Basics of Doppler physics in abdominal imaging: From theory to clinical application Seong Hee Kang (Korea University, Korea)
10:42-11:04 Quantitative assessment of hepatic steatosis: Technical principles and clinical utility of ATI and UGAP Ho Soo Chun (Ewha Womans University, Korea)
11:04-11:26 Clinical utility of POCUS in general wards: Rapid diagnosis and procedural guidance Jae-Yong Chin (Kangwon National University, Korea)
11:26-11:48 Shaping the future of abdominal ultrasound: Intelligence, automation, and connectivity Naohisa Kamiyama (GE healthcare, Japan)
11:48-11:50 Q&A

Symposium 39: Challenging locations and special situations in upper GI endoscopic resection English

Date / Time Nov. 21 (Sat), 10:20-11:50
Room Art Hall
Chair(s) Sung Soo Kim (The Catholic University of Korea, Korea)
Jinwoong Cho (Presbyterian Medical Center, Korea)
Speaker(s) 10:20-10:42 Upper GI ESD in difficult locations: The EGJ and proximal stomach Jinwoong Cho (Presbyterian Medical Center, Korea)
10:42-11:04 Upper GI ESD in difficult locations: The pyloric ring Moon Kyung Joo (Korea University, Korea)
11:04-11:26 Challenges of duodenal ESD and EMR: How to balance curability and safety? Yu Kyung Cho (The Catholic University of Korea, Korea)
11:26-11:48 Overcoming challenging situations in esophageal ESD Jeong Hoon Lee (University of Ulsan, Korea)
11:48-11:50 Q&A

Symposium 40: Minimally invasive management of pancreatic necrosis and collections English

Date / Time Nov. 21 (Sat), 13:20-14:50
Room Vista 1
Chair(s) Young Koog Cheon (Konkuk University, Korea)
Tomotaka Saito (The University of Tokyo, Japan)
Speaker(s) 13:20-13:42 Key recommendations from the 2025 revised IAP/APA/EPC/IPC/JPC guideline Ho Seung Lee (Korea University, Korea)
13:42-14:04 Drainage modalities for walled-off necrosis Se Woo Park (Hallym University, Korea)
14:04-14:26 Timing of endoscopic necrosectomy: Immediate vs on-demand Tomotaka Saito (The University of Tokyo, Japan)
14:26-14:48 Long-term outcomes of direct endoscopic necrosectomy Jae Hee Cho (Yonsei University, Korea)
14:48-14:50 Q&A

Symposium 41: Frontiers in diversity and quality of life in gastroenterology and hepatology: From current concepts to ongoing researches English

Date / Time Nov. 21 (Sat), 13:20-14:50
Room Vista 2
Chair(s) Hye Kyung Jung (Ewha Womans University, Korea)
Ji Won Kim (Seoul National University Boramae, Korea)
Speaker(s) 13:20-13:42 Why should we contemplate on sex/gender difference in gastrointestinal disorders? Young Sun Kim (Seoul National University, Korea)
13:42-14:04 The impact of the menstrual cycle on symptom severity and quality of life in female IBS patients Eui Sun Jeong (Ewha Womans University, Korea)
14:04-14:26 Sex concordance in colonoscopy: A hidden determinant of quality? Joo Hye Song (Konkuk University, Korea)
14:26-14:48 Sex-specific microbial signatures in cirrhosis and hepatocellular carcinoma Sae Kyung Joo (Seoul National University, Korea)
14:48-14:50 Q&A

Free Paper 26: Pediatrics English

Date / Time Nov. 21 (Sat), 13:20-14:00
Room Vista 3
Chair(s) Ki-Soo Kang (Jeju National University, Korea)
Ky Young Cho (Hallym University, Korea)
Speaker(s) 13:20-13:30 Gut microbiome in high muscle mass pediatric metabolic dysfunction-associated steatotic liver disease: Potential implications for metabolic health Tae Hyeong Kim (Kyung Hee University, Korea)
13:30-13:40 Endoscopic balloon dilatation for postoperative esophageal stricture after pediatric tracheoesophageal fistula repair: A 20-year single-center study Hansol Kim (Pusan National University, Korea)
13:40-13:50 Benefit-risk profile of anti-TNF plus conventional immunomodulators versus anti-TNF monotherapy in pediatric inflammatory bowel disease: A systematic review and meta-analysis Andre Andre (Cipto Mangunkusumo National Hospital, Indonesia)

Free Paper 27: Functional GI Disorders/Motility 03 English

Date / Time Nov. 21 (Sat), 14:00-14:50
Room Vista 3
Chair(s) Heung Up Kim (Jeju National University, Korea)
Hoon Sup Koo (Konyang University, Korea)
Speaker(s) 14:00-14:10 Motilitone (DA-9701) ameliorates hyperglycemia by normalizing gastric emptying and modulating postprandial glucose dynamics in STZ-induced diabetic mice Jaebum Kim (Sungkyunkwan University, Korea)
14:10-14:20 Gastrointestinal-dominant small fiber neuropathy in patients with refractory disorders of gut-brain interaction Yi Ping Ren (National University Hospital, Singapore)
14:20-14:30 The influence of limited time feeding on the mRNA expression of the IL-6 gene and CYP11A1 protein within the cells of the ileum epithelium, alongside the rhythmic dynamics of gut microbiota in prediabetic states Qulsoom Naaz (King George's Medical University, India)

PG Course 07: Lower gastrointestinal diseases frequently encountered in clinical practice: Practical strategies Korean

Date / Time Nov. 21 (Sat), 13:20-14:50
Room Grand 1
Chair(s) Dong-Soo Han (Hanyang University, Korea)
You Sun Kim (Hallym University, Korea)
Speaker(s) 13:20-13:42 Small bowel bleeding: Practical diagnostic and therapeutic strategies Jae Hyun Kim (Kosin University, Korea)
13:42-14:04 Drug-induced enterocolitis: Advances in diagnosis and management Hyun Seok Lee (Kyungpook National University, Korea)
14:04-14:26 Clostridioides difficile infection: Optimizing treatment and preventing recurrence Jung-Hwan Lee (Inha University, Korea)
14:26-14:48 Intestinal vascular disorders: Early risk assessment and multidisciplinary management Doohyuck Lee (Dankook University, Korea)
14:48-14:50 Q&A

Symposium 42: The present and future of the microbiome and digestive diseases: From etiology to therapeutic targets English

Date / Time Nov. 21 (Sat), 13:20-14:50
Room Grand 4+5
Chair(s) Jae Hee Cheon (Yonsei University, Korea)
Sunny Wong (Nanyang Technological University, Singapore)
Speaker(s) 13:20-13:42 Gut microbiome: A cornerstone of various immune-mediated inflammatory diseases Hongsub Lee (Inje University, Korea)
13:42-14:04 Obesity and gut microbiome: Culprit or hint for treatment? Sunny Wong (Nanyang Technological University, Singapore)
14:04-14:26 Digestive cancers and microbiome: GI tract and hepatobiliary-pancreatic malignancies Kihyun Ryu (Konyang University, Korea)
14:26-14:48 Microbiome-Driven Mucosal Immunity in IBD Kwang Soon Kim (POSTECH, Korea, Korea)
14:48-14:50 Q&A

Symposium 43: Endoscopic management of intrahepatic duct (IHD) stones: Current challenges and evolving strategies English

Date / Time Nov. 21 (Sat), 15:10-16:40
Room Vista 1
Chair(s) Jin Lee (Hallym University, Korea)
Takeshi Ogura (Osaka Medical and Pharmaceutical University, Japan)
Speaker(s) 15:10-15:32 Diagnostic approach to intrahepatic duct stones: Imaging, cholangioscopy, and stricture evaluation Yun Nah Lee (Soonchunhyang University, Korea)
15:32-15:54 Peroral cholangioscopy-guided lithotripsy: EHL, laser lithotripsy, and device innovation See Young Lee (Sungkyunkwan University, Korea)
15:54-16:16 EUS-guided approaches for difficult intrahepatic stones Takeshi Ogura (Osaka Medical and Pharmaceutical University, Japan)
16:16-16:38 Comparative outcomes: Peroral cholangioscopy-guided versus EUS-guided lithotripsy Tae Jun Song (University of Ulsan, Korea)
16:38-16:40 Q&A

Symposium 44: Gastrointestinal disorders in very old adults: From mechanisms to clinical decision-making English

Date / Time Nov. 21 (Sat), 15:10-16:40
Room Vista 2
Chair(s) Joo-Sung Kim (Seoul National University, Korea)
Kwang Bum Cho (Keimyung University, Korea)
Speaker(s) 15:10-15:32 Gastrointestinal aging: Changes and emerging disorders Yuri Kim (Keimyung University, Korea)
15:32-15:54 Gastrointestinal cancer screening: Do the benefits outweigh the risks? Jong Yeul Lee (National Cancer Center, Korea)
15:54-16:16 IBD in the very elderly: How should it be managed? Dong Hoon Baek (Pusan National University, Korea)
16:16-16:38 Endoscopic therapy in upper GI disorders: How should we decide? Seung Han Kim (Korea University, Korea)
16:38-16:40 Q&A

Symposium 45: Diagnostic and therapeutic approach of refractory functional gastrointestinal symptoms Korean

Date / Time Nov. 21 (Sat), 15:10-16:40
Room Vista 3
Chair(s) Suck Chei Choi (Wonkwang University, Korea)
Chong-Il Sohn (Sungkyunkwan University, Korea)
Speaker(s) 15:10-15:32 Globus and belching Ju Yup Lee (Keimyung University, Korea)
15:32-15:54 Nausea and vomiting Sung Eun Kim (Kosin University, Korea)
15:54-16:16 Abdominal distension, bloating, and flatulence Seung Young Kim (Korea University, Korea)
16:16-16:38 Functional abdominal pain Boram Cha (Inha University, Korea)
16:38-16:40 Q&A

Combined Symposium 09 (KASID+KSGE): Organ preservation begins with proper polypectomy: Cold snare and EMR in 2026 English

Date / Time Nov. 21 (Sat), 15:10-16:40
Room Grand 4+5
Chair(s) Jeong-Sik Byeon (University of Ulsan, Korea)
Ken Ohata (NTT Medical Center Tokyo, Japan)
Speaker(s) 15:10-15:32 Polypectomy 2026 in the cold era: Achieving complete resection and specimen integrity Tae-Geun Gweon (The Catholic University of Korea, Korea)
15:32-15:54 Large non-pedunculated colorectal polyps: Optimizing EMR to minimize recurrence Ken Ohata (NTT Medical Center Tokyo, Japan)
15:54-16:16 Sessile serrated adenomas/lesions: Technical pearls and pitfalls in endoscopic resection Jae Gon Lee (Hanyang University, Korea)
16:16-16:38 Post-polypectomy surveillance: Who, when, and how intensively? Eun Ran Kim (Sungkyunkwan University, Korea)
16:38-16:40 Q&A
Supported by Member Societies
Associated Society
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Gold
Silver
  • 셀트리온
Bronze
  • 다케다
  • 한미약품
  • 에브비
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KDDW Consortium (케이디디더블유 운영협의체)

Business License No.: 609-82-84671

President: Hyun Soo Kim

E-mail : kddwoffice@gmail.com

Address : 2F, 30, Bamgogae-ro 1-gil, Gangnam-gu, Seoul, 06349, Republic of Korea
KDDW 2026 Secretariat
Contact (Scientific Program & Abstract)
Email. kddwinfo@medioffice.or.kr / Tel. +82-10-2334-8265
(Registration & Sponsor)
Email. kddwconference@medioffice.or.kr / Tel. +82-2-459-8266