1. Department of Medicine and Yale Cancer Center, Yale University School of Medicine, New Haven, Connecticut
2. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
3. Instituto Português de Oncologia, Porto, Portugal
4. Department of Medical Oncology, Hospital Virgen de la Victoria, IBIMA, Malaga, Spain
5. Division of Gastrointestinal Oncology, Shizuoka Cancer Centre, Shizuoka, Japan
6. Department of Medical Oncology, Hospital Marcio Cunha, Ipatinga, Brazil
7. Russian Oncological Research Centre, Moscow, Russia
8. Department of Medical Oncology, Antwerp University Hospital, Edegem, Belgium
9. Department of Oncology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
10. Department of Head and Neck Medical Oncology, National Cancer Centre Hospital East, Kashiwa, Japan
11. Department of Clinical Oncology, Hospital Amaral Carvalho, Jau, Brazil
12. Department of Internal Medicine, National Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
13. Oncology Centre of Moskovskiy, St Petersburg, Russia
14. Comprehensive Cancer Centre, University of California at Irvine, Orange
15. Department of Oncology, Hospital Virgen del Rocio, Sevilla, Spain
16. Department of Medical Oncology and Hematology, Kobe University Hospital Cancer Center, Kobe, Japan
17. Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
18. Department of Oncology and Radiotherapy, Hospital Na Bulovce and 1st Medical Faculty of Charles University, Prague, Czech Republic
19. Department of Oncology, Vall d’Hebron University Hospital, Barcelona, Spain
20. Shree Krishna Hospital and Medical Research Centre, Gujarat, India
21. Department of Clinical Oncology, AC Camargo Cancer Center, São Paulo, Brazil
22. Inselspital, University Hospital Bern, Bern, Switzerland
23. Department of Head and Neck Cancer, Gustave Roussy, Villejuif, France
24. Boehringer Ingelheim Pharmaceuticals Inc, Ridgefield, Connecticut
25. Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
26. Boehringer Ingelheim, Danmark A/S, Denmark
27. Division of Radiotherapy and Imaging, The Royal Marsden Hospital/The Institute of Cancer Research, National Institute for Health Research Biomedical Research Centre, London, United Kingdom
28. Department of Translational Science, Moores Cancer Centre, University of California at San Diego, La Jolla