1. University of California, San Francisco, San Francisco, CA;
2. Netherlands Cancer Institute, Amsterdam, Netherlands;
3. Gustave Roussy and Paris-Sud University, Villejuif-Paris-Sud, France;
4. Vanderbilt-Ingram Cancer Center, Nashville, TN;
5. Medical University of Graz, Graz, Austria;
6. City of Hope, Duarte, CA;
7. John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA;
8. Oslo University Hospital, Oslo, Norway;
9. Mount Sinai Comprehensive Cancer Center, Miami, FL;
10. University of Pittsburgh Cancer Institute, Pittsburgh, PA;
11. Juravinski Cancer Centre and McMaster University, Hamilton, ON, Canada;
12. Fundacion Arturo Lopez Perez, Santiago, Chile;
13. Elbe-Klinikum Buxtehude, Buxtehude, Germany;
14. Sir Charles Gairdner Hospital and University of Western Australia, Nedlands, Australia;
15. Princess Margaret Cancer Centre, Toronto, ON, Canada;
16. Merck & Co., Inc., Kenilworth, NJ;
17. Melanoma Institute Australia, The University of Sydney, Mater Hospital, and Royal North Shore Hospital, North Sydney, NSW, Australia;