1. a Dipartimento Medico-Chirurgico di Internistica Clinica e Sperimentale, Seconda Università di Napoli, Naples, Italy
2. b Cardiff University and Velindre Cancer Centre, Cardiff, United Kingdom
3. c Medical Oncology, Vall d’Hebron University Hospital and Institute of Oncology, Barcelona, Spain
4. d Department of Internal Medicine, University of Ulm, Ulm, Germany
5. e Department of Gastroenterology, Georges Pompidou Hospital, Paris, France
6. f N.N. Petrov Cancer Center, St. Petersburg, Russia
7. g Department of Clinical Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, People’s Republic of China
8. h Hospital Prof. Dr. Bernardo A. Houssay, Buenos Aires, Argentina
9. i Respiratory Oncology Unit, University Hospital KU Leuven, Leuven, Belgium
10. j Merck KGaA, Darmstadt, Germany
11. k Digestive Oncology Unit, University Hospital Gasthuisberg, Leuven, Belgium