1. Department of Medical Oncology and Hematology Kobe University Hospital Kobe Japan
2. Department of Nuclear Medicine and Endocrine Oncology Gustave Roussy and University Paris‐Sud Villejuif France
3. Department of Clinical Oncology Aichi Cancer Center Hospital Nagoya Japan
4. Department of Clinical Oncology and Chemotherapy Nagoya University Hospital Nagoya Japan
5. Department of Medical Oncology Cancer Institute Hospital of JFCR Tokyo Japan
6. Department of Hematology and Oncology Fukui Prefectural Hospital Fukui Japan
7. Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
8. Kolling Institute of Medical Research University of Sydney Sydney New South Wales Australia
9. Department of Endocrine Neoplasia and Hormonal Disorders Division of Internal Medicine The University of Texas M.D. Anderson Cancer Center Houston Texas USA
10. Oncology Clinical Development Eisai Co., Ltd Tokyo Japan
11. Japan Biostatistics Eisai Co., Ltd Tokyo Japan
12. Clinical Pharmacology Eisai Ltd. Hatfield UK
13. Clinical Pharmacology Eisai Co., Ltd Tokyo Japan
14. Department of Head and Neck Medical Oncology National Cancer Center Hospital East Kashiwa Japan