Uijeongbu St. Mary's Hospital, Uijeongbu, Gyeonggi-do, Korea, Republic of
Seoul St. Mary's Hospital, Seoul, Korea, Republic of
Division of Colorectal Disease, Department of Surgery, St. Vincent's Hospital, The Catholic University of Korea, Suwon, Korea, Republic of
Seoul St. Mary hospital, Seoul, Korea, Republic of
St. mary's hospital, Seoul, Korea, Republic of
Seoul St. Mary's Hospital, Seoul, Korea, Republic of
Bucheon St Mary's Hospital, Catholic University of Korea, Bucheon, Gyenoggido, Korea, Republic of
Seoul St.Mary's Hospital, Seoul, Korea, Republic of