1. Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan;
2. Department of Thoracic Oncology, National Kyushu Cancer Center, Fukuoka, Japan;
3. Department of Thoracic Medical Oncology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan;
4. Department of Thoracic Oncology, National Cancer Center Hospital East, Kashiwa, Japan;
5. Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;
6. Department of Biostatistics, Yokohama City University School of Medicine, Yokohama, Japan;
7. Chugai Pharmaceutical Co., Ltd, Tokyo, Japan;
8. Izumi Municipal Hospital, Izumi City, Japan;
9. Third Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan;