1. Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medical College, New York Presbyterian Hospital, New York, New York
2. Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
3. Department of Oncology, University College London Hospitals National Health Service Foundation Trust, London, United Kingdom
4. Center for Esophageal and Gastric Cancer, Dana Farber Cancer Institute, Boston, Massachusetts
5. Department of Medical Oncology, Institut de Cancérologie de l’Ouest, St Herblain, Nantes, France
6. Department of Adult Medicine, Institut Gustave Roussy, Villejuif, France
7. Department of Oncology, Hematology, and Hemostaseology, University Cancer Center Leipzig, Leipzig, Germany
8. Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
9. Department of Clinical Oncology, Aichi Cancer Center Hospital, Aichi, Japan
10. Lung Cancer Branch, National Cancer Center, Goyang, South Korea
11. Department of Medical Oncology, Washington University School of Medicine in St Louis, St Louis, Missouri
12. Drug Development Program, Sarah Cannon Research Institute, University College, London, United Kingdom
13. Department of General Cancer, Centre Oscar-Lambret, Lille, France
14. Department of Medical Oncology and Hematology, Sansum Clinic, Santa Barbara, California
15. Department of Oncology, Odense University Hospital, Odense, Denmark
16. Clinical Research, Merck & Co Inc, Kenilworth, New Jersey
17. Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan