Iversity Graduate School of Medicine,Miyagi,Japan Department of Cardiovascular Surgery,Keio University,Tokyo,Japan Second Division of Surgery,University of

Iversity Graduate School of Medicine,Miyagi,Japan Department of Cardiovascular Surgery,Keio University,Tokyo,Japan Second Division of Surgery,University of Occupational and Environmental Health,Fukuoka,Japan Division of Cardiovascular Surgery,Kawasaki Medical College,Okayama,Japan Department of Gastroenterological Surgery,National Kyushu…