1. Thoracic and Gastrointestinal Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD;
2. Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD;
3. Sarah Cannon Research Institute/Florida Cancer Specialists, Sarasota, FL;
4. Mary Crowley Cancer Research Centers, Dallas, TX;
5. Institut de Cancérologie de l'Ouest – site René Gauducheau, Saint Herblain, France;
6. Carolina BioOncology Institute, Huntersville, NC;
7. Knight Cancer Institute, Oregon Health and Science University, Portland, OR;
8. University Hospitals Seidman Cancer Center, Case Western Reserve University, Cleveland, OH;
9. Novant Health Oncology Specialists, Winston-Salem, NC;
10. Virginia Piper Cancer Institute, Minneapolis, MN;
11. Karmanos Cancer Institute, Detroit, MI;
12. University of Vermont, Burlington, VT;
13. Institut Claudius Regaud, Toulouse, France;
14. Merck KGaA, Darmstadt, Germany;
15. EMD Serono, Billerica, MA;
16. Genitourinary Malignancies Branch, National Cancer Institute at the National Institutes of Health, Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD;