1Institute Gustave, Roussy, Villejuif
2Centre hospitalier Lyon Sud, Pierre bénite
3Dnepropetrovsk State Medical Center, Dnepropetrovsk, Ukraine
4The Angeles Clinic and Research Institute, Santa Monica, CA
5H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL
6University Medical Center, Tuebingen, Germany
7Hôpital Saint Louis University, Paris
8Cliniques Universitaires Saint-Luc, Brussels
9Istituto Europeo di Oncologia, Milan
10Hôpital de la Timone, Marseille
11Mid Essex Hospitals National Health Service Trust, Essex, United Kingdom
12Oncology Specialists, Park Ridge, IL
13University Hospital of Siena, Siena
14Bristol-Myers Squibb, Wallingford, CT
15University of Kiel, Kiel, Germany
16Hospital Clinic, Barcelona, Spain
17Hadassah Hebrew University Hospital, Sharett Institute of Oncology, Jerusalem, Israel
18Medical University of Vienna; Vienna
19MedImmune, Gaithersburg, MD
20Bristol-Myers Squibb, Braine-l'Alleud
21Bristol-Myers Squibb, Lawrenceville, NJ
22Memorial Sloan-Kettering Cancer Center, New York