[1] Tochigi Cancer Center,Division of Thoracic Surgery
[2] Japanese Foundation for Cancer Research,Department of Thoracic Surgical Oncology, Cancer Institute Hospital
[3] Toho University School of Medicine,Division of Chest Surgery, Department of Surgery
[4] Chiba University Graduate School of Medicine,Department of General Thoracic Surgery
[5] National Defense Medical College,Department of Thoracic Surgery
[6] Osaka University Graduate School of Medicine,Department of General Thoracic Surgery
[7] Kimitsu Central Hospital,Department of Thoracic Surgery
[8] Yamagata Prefectural Central Hospital,Department of Thoracic Surgery
[9] Dokkyo Medical University,Department of General Thoracic Surgery
[10] Aichi Cancer Center Hospital,Department of Thoracic Surgery
[11] Saitama Medical Center,Department of General Thoracic Surgery
[12] Fukujuji Hospital,Section of Chest Surgery
[13] Hamamatsu University School of Medicine,First Department of Surgery
[14] Teikyo University School of Medicine,Division of General Thoracic Surgery, Department of Surgery