Sung Ill Jang 1, Soo Jung Park 1, Jin Hong Kim 2, Jae Chul Hwang 2, Ho Gak Kim 3, Don Haeng Lee 4, Seok Jeong 4, Sang-Woo Cha 5, Young Deok Cho 6, Hong-Ja Kim 7, Jong Hyeok Kim 8, Jong Ho Moon 9, Sang-Heum Park 10, Takao Itoi 11, Hiroyuki Isayama 12, Hirofumi Kogure 12, Se-Joon Lee 1, Kyo Tae Jung 1, Lee Hye Sun 13, Todd H. Baron 14, Dongki Lee 1
1 Gastroenterology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
2 Gastroenterology, Ajou University Hospital, Ajou University College of Medicine, Suwon, Republic of Korea
3 Gastroenterology, Daegu catholic University Medical Center, Daegu catholic University College of Medicine, Daegu, Republic of Korea
4 Gastroenterology, Inha University Hospital, Inha University College of Medicine, Incheon, Republic of Korea
5 Gastroenterology, Eulji University Hospital, Eulji University College of Medicine, Seoul, Republic of Korea
6 Gastroenterology, Soon Chun Hyang University Hospital, Soon Chun Hyang University College of Medicine, Seoul, Republic of Korea
7 Gastroenterology, Dankook University Hospital, Dankook University College of Medicine, Cheonan, Republic of Korea
8 Gastroenterology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
9 Gastroenterology, Soon Chun Hyang University Hospital, Soon Chun Hyang University College of Medicine, Bucheon, Republic of Korea
10 Gastroenterology, Soon Chun Hyang University Hospital, Soon Chun Hyang University College of Medicine, Cheonan, Republic of Korea
11 Gastroenterology and Hepatology, Tokyo Medical University Hospital, Tokyo, Japan
12 Gastroenterology, University of Tokyo, Tokyo, Japan
13 Biostatistics, Yonsei University College of Medicine, Seoul, Republic of Korea
14 Gastroenterology and Hepatology, Mayo clinic, Rochester, MN