1. Memorial Sloan Kettering Cancer Center, New York, NY;
2. Oncology Institute of Veneto IRCCS, Padua, Italy;
3. University of Colorado Cancer Center, Denver, CO;
4. Sklodowska-Curie Memorial Cancer Center, Warsaw, Poland;
5. Hospital de la Timone, Marseille, France;
6. Texas Oncology/Baylor Sammons Cancer Center/US Oncology, Dallas, TX;
7. University of Michigan, Ann Arbor, MI;
8. Department of Dermatology, University of Essen, Essen, Germany;
9. European Institute of Oncology, Milan, Italy;
10. Cross Cancer Institute, Edmonton, AB, Canada;
11. Universitats Spital, Zurich, Switzerland;
12. Tasman Oncology Research, Queensland, Australia;
13. Netherlands Cancer Institute, Amsterdam, Netherlands;
14. Medical Oncology and Immunotherapy University Hospital of Siena, Siena, Italy;
15. Peter MacCallum Cancer Centre, East Melbourne, Australia;
16. Bristol-Myers Squibb, Princeton, NJ;
17. The Royal Marsden Hospital, London, United Kingdom;
18. Dana-Farber Cancer Institute, Boston, MA;