1University of Pittsburgh Medical Center and Cancer Institute, Pittsburgh
2Department of Thoracic/Head and Neck Medical Oncology, University of Texas M. D. Anderson Cancer Center, Houston
3Centre Leon Berard, Lyon
4Centre Antoine Lacassagne, Nice
5Stanford Cancer Institute, Stanford, CA
6Fondazione Istituto di Ricovero e Cura a Carattere Scientifico, Istituto Nazionale Tumori, Milan
7Institute of Cancer Research–Royal Marsden National Institute for Health Research Biomedical Research Centre, London
8University Hospital Essen, Essen, Germany
9University of Chicago, Chicago
10Institut Gustave Roussy, Villejuif
11University of Michigan, Ann Arbor
12Winship Cancer Institute of Emory University, Atlanta
13Hospital Universitario 12 de Octubre [Madrid]
14Dana Farber Cancer Institute, Boston
15Universitätsspital Zurich, Zurich, Switzerland
16Kobe University Hospital, Kobe
17National Cancer Center Hospital East, Kashiwa
18Bristol-Myers Squibb, Princeton, NJ
19Ohio State University, Columbus