^○Jun Sakai, Yuta Minami, Masaki Horiuchi, Kei Ito, Keisuke Minamizawa, Keita Nakatsutsumi, Koki Goto, Shinya Yamamoto, Hirochika Makino, Shigeru Yamagishi, Akira Nakano (Department of Surgery, Fujisawa City Hospital)

^○Ahmed Ibrahim AbdRabou Sewilam, Mohammad Hamdy Abo-Ryia, Osama ElKhadrawy, Gamal Moussa, Sherif ElGarf, Marc Antoine Allard, Eric Vibert, Daniel Cherqui, Denis Castaing, René Adam (Department of Surgery, Tanta University)

^○Aoi Fujikawa, Takuto Yoshida, Hiroki Sunagawa (St Luke's International Hospital, Tokyo, Japan)

^○Keigo Hayashi¹, Hiroki Sunagawa², Tomofumi Orokawa¹, Keita Omori¹, Naoto Oshiro¹ (1.Department of Surgery, Nakagami Hospital, Okinawa, Japan, 2.Department of Gastrointestinal and general Surgery, St Luke's International Hospital, Tokyo, Japan)

^○Hamza Wani, Mohammad Ibrarullah (Surgical Gastroenterology and HPB Surgery Apollo Hospital Bhubaneswar)

^○Ng Ying-Ru Yvonne, Lee Lip Seng, Chiow Adrian Kah-Heng, Tan Siong San (Department of General Surgery, Changi General Hospital, Singapore)