^○Lee Dong Woo¹, Lee Jun Haeng¹, Kwak Dong Shin¹, Kim Jae J.¹, Kim Sung² (1.Dept. of Medicine, Sungkyunkwan University School of Medicine, Korea, 2.Dept. of Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea)

^○Soh Jae Seung, Kim Ja Kyung, Lim Hyun, Kang Ho Suk, Park Ji Won, Kim Sung Eun, Moon Sung Hoon, Kim Jong Hyeok, Park Choong Kee (Dept. of Internal Medicine, Hallym University Sacred Heart Hospital, Korea)

^○Han Jae Pil¹, Hong Su Jin¹, Goong Hyeon Jeong¹, Myung Yu Sik¹, Ko Bong Min¹, Kim Hee Kyoung², Jeong Gui Ae³, Cho Gyu Seok³ (1.Dept. of Internal Medicine, SoonChunHyang University School of Medicine, Korea, 2.Dept.of Pathology, SoonChunHyang University School of Medicine, Korea, 3.Dept.of Surgery, SoonChunHyang University School of Medicine, Korea)

^○Hwang JW¹, Jee SR¹, Kim JH¹, Lee SH¹, Seol SY¹, Lee SM² (1.Dept. of Gastroenterology, Inje University School of Medicine, Korea, 2.Dept.of Nuclear Medicine, Inje University School of Medicine, Korea)

^○Lee Chang Min¹, Lee Dong Ho^1,2, Hwang Jae Jin¹, Yoon Hyuk^1,2, Shin Cheol Min^1,2, Park Young Soo^1,2, Kim Nayoung^1,2 (1.Div. of Gastroenterol., SNUBH, Korea, 2.Dept.of IM, SNU, Korea)