1Department of Respiratory Medicine, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0375, Japan
2Third Department of Internal Medicine, Wakayama Medical University Hospital, 811-1 Kimiidera, Wakayama 641-8510, Japan
3Division of Thoracic Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka 411-8777, Japan
4Department of Clinical Oncology, Osaka City General Hospital, 2-13-22 Miyakojima-hondori, Miyakojima-ku, Osaka 534-0021, Japan
5Medical Oncology, Izumi Municipal Hospital, 4-10-10 Fuchu-cho, Izumi, Osaka 594-0071, Japan
6Department of Medical Oncology, Kinki University Faculty of Medicine, 377-2 Onohigashi, Osakasayama, Osaka 589-8511, Japan
7Department of Respiratory Medicine, Okayama University Hospital, 2-5-1 Shikata-cho Kita-ku, Okayama, 700-8558, Japan
8Department of Thoracic Oncology, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya 464-8681, Japan
9Department of Thoracic Oncology, National Kyushu Cancer Center, 3-1-1, Notame, Minami-ku, Fukuoka 811-1395, Japan
10Department of Respiratory Medicine, Osaka City University, 1-5-7 Asahimachi, Abeno-ku, Osaka 545-8586, Japan
11Drug Development Division, Sumitomo Dainippon Pharma. Co., Ltd., 2-6-8 Doshomachi, Chuo-ku, Osaka 541-0045, Japan