^○Shin Sung Jae, Kim In Sung, Kang Jun Goo, Lim Sun Gyo, Lee Kee Myung, Lee Kwang Jae (Dept. of Gastroenterology, Ajou University School of Medicine, Korea)

^○Kim Jeong Ho, Lee Young Bae, Lee Hong Sub, Song Byeong Jun (Seonam University College of Medicine, Goyang, Korea)

^○Lee DW¹, Jee SR¹, Hwang JW¹, Lee SH¹, Kim JH¹, Seol SY¹, Ku KH² (1.Dept. of Gastroenterology, Inje University College of Medicine, Korea, 2.Dept. of Internal Medicine, Kosin University College of Medicine, Korea)

^○Lee Seung Bum, Oh Kong Jin, Kang Dae Hwan, Choi Cheol Woong, Kim Su Jin, Park Su Bum, Kim Hyung Wook (Dept. of Internal Medicine, Pusan National University Yangsan Hospital, South Korea)

^○Nam Hyeong Seok, Jeon Joon Ho, Kang Dae Hwan, Choi Cheol Woong, Kim Su Jin, Park Su Bum, Kim Hyung Wook (Dept. of Internal Medicine, Pusan National University Yangsan Hospital, South Korea)