1. University of Pittsburgh Medical Center Cancer Center, Pittsburgh, PA;
2. The University of Texas MD Anderson Cancer Center, Houston, TX;
3. Centre Léon Bérard, Lyon, France;
4. Centre Antoine-Lacassagne, Nice, France;
5. Stanford Cancer Institute, Palo Alto, CA;
6. IRCCS Istituto Nazionale Tumori, Milan, Italy;
7. Royal Marsden NHS Foundation Trust, London, United Kingdom;
8. University Hospital Essen, Essen, Germany;
9. University of Chicago, Chicago, IL;
10. Institut Gustave Roussy, Villejuif, France;
11. University of Michigan, Ann Arbor, MI;
12. Dana-Farber Cancer Institute, Boston, MA;
13. Kobe University Hospital, Kobe-City, Japan;
14. National Cancer Center Hospital East, Kashiwa, Japan;
15. Bristol-Myers Squibb, Princeton, NJ;
16. The Ohio State University, Columbus, OH;