University of Tokyo - Department of Biostatistics and Bioinformatics, National Cancer Center Hospital, Kyushu University, Sendai Kousei Hospital, National Cancer Center Hospital, Kyushu University, Kindai University, Kurume University - Department of Internal Medicine, Itami City Hospital, Akita Kousei Medical Center, Dokkyo Medical University, affiliation not provided to SSRN, National Hospital Organization Kyushu Cancer Center, National Cancer Center Hospital East, Kansai Medical University - Kansai Medical University Hospital, National Cancer Center Hospital, National Cancer Center Hospital and Kyushu University - Kyushu University Hospital

Kindai University, Yamaguchi University, Sendai Kousei Hospital, National Cancer Center Hospital East, Saitama Cancer Center, Kanagawa Cancer Center, Juntendo University - Juntendo University Hospital, Niigata Cancer Center Hospital, Shizuoka Cancer Center, National Hospital Organization Nagoya Medical Center, Kobe University, Wakayama Medical University, Kindai University, Hiroshima University - Hiroshima University Hospital, Ehime University Graduate School of Medicine, Kyushu University - Kyushu University Hospital, Kurume University - Department of Internal Medicine, Japan Lung Cancer Alliance, Wakayama Medical University - Department of Pulmonary Medicine and Medical Oncology and Kindai University

Tohoku University, Sendai Kousei Hospital - Department of Pulmonary Medicine, Juntendo University, Kurume University - Department of Internal Medicine, Akita Kousei Medical Center, Iwate Medical University, National Hospital Organization Hokkaido Medical Center, Juntendo University - Department of Respiratory Medicine, Saitama University - Saitama Medical University, Shimane University - Division of Medical Oncology and Respiratory Medicine, Nippon Medical School - Department of Pulmonary Medicine and Oncology, Niigata University, Kyushu University - Kyushu University Hospital, Kyoto University - Department of Biomedical Statistics and Bioinformatics, Hokkaido University, Kyushu University - Kyushu University Hospital, Oita University and Saitama Medical University International Medical Center (SIMC)