Ohta R.a· Yamada T.a· Nakamura M.b· Enomoto M.c· Takahashi M.d· Yokomizo H.e· Kosugi C.f· Ishimaru K.g· Sonoda H.a· Kuramochi H.h· Yoshida Y.i· Furuya S.j· Hirata K.k· Yoshida H.a· Nozawa K.l· Hashiguchi Y.l· Ishida H.m· Koda K.f· Katsumata K.c· Sakamoto K.d

Author affiliations

aDepartment of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
bAizawa Comprehensive Cancer Center, Aizawa Hospital, Nagano, Japan
cDepartment of Gastrointestinal and Pediatric Surgery, Tokyo Medical University, Tokyo, Japan
dDepartment of Coloproctological Surgery, Juntendo University Faculty of Medicine, Tokyo, Japan
eDepartment of Surgery, Tokyo Women’s Medical University, Medical Center East, Tokyo, Japan
fDepartment of Surgery, Teikyo University Chiba Medical Center, Chiba, Japan
gDepartment of Minimally Invasive Gastroenterology, Ehime University Graduate School of Medicine, Toon, Japan
hDepartment of Chemotherapy, Tokyo Women’s Medical University, Tokyo, Japan
iDepartment of Gastroenterological Surgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
jFirst Department of Surgery, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
kDepartment of Surgery 1, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
lDepartment of Surgery, Teikyo University School of Medicine, Tokyo, Japan
mDepartment of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan