Department of Thoracic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan

Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan

Division of Thoracic Surgery, Department of Surgery, University of Szeged, Szeged, Hungary

Department of Cardiac Surgery, Gruppo San Donato, Milano, Italy

Department of Surgery, Seoul National University Bundang Hospital, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea

Department of thoracic surgery, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan

Division of Cardiothoracic Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, PA, USA

University of Salamanca, Salamanca, Spain; Department of Thoracic Surgery, Salamanca University Hospital, Salamanca, Spain

Department of Thoracic and Cardiovascular Surgery, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Korea

Department of Surgery and Cardiothoracic Surgery, Weill Cornell Medical College, Houston Methodist Hospital, Houston, TX, USA

Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan

Division of Cardiac Surgery, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy

Department of Thoracic Surgery, European Institute of Oncology, Milan, Italy

Department of Surgery, HPB Unit, Robert Debré Hospital-University of Reims-Champagne Ardenne-Reims, France

Department of Cardiac Surgery, Tor Vergata University Hospital, Rome, Italy

Department of Thoracic Surgery, Klinikum Westfalen, Klinik am Park, Lünen, Germany

Department of Cardiac Surgery, Heart Center, Leipzig University, Leipzig, Germany

Department of Thoracic Surgery, Aichi Cancer Center Hospital, Nagoya, Japan

Department of Surgery, University of Florida, Gainesville, FL, USA

Department of Cardiac Surgery, Central Clinical Hospital of the Ministry of Interior and Administration, Centre of Medical Postgraduate Education, Warsaw, Poland