1. The Ohio State University Comprehensive Cancer Center, Columbus, OH;
2. Alliance Statistics and Data Center, Alliance for Clinical Trials in Oncology, Columbus, OH;
3. Department of Medicine I, Medical Center–University of Freiburg, Freiburg, Germany;
4. Department of Internal Medicine III, University Hospital, Ludwig-Maximilans-Universität, Munich, Germany;
5. The Comprehensive Cancer Center of Wake Forest University, Winston-Salem, NC;
6. Monter Cancer Center, Hofstra Northwell School of Medicine, Lake Success, NY;
7. Department of Medicine, Duke University Medical Center, Durham, NC;
8. Greenebaum Cancer Center, University of Maryland, Baltimore, MD;
9. Division of Hematology and Medical Oncology, Weill Medical College of Cornell University, New York, NY;
10. Dana-Farber Cancer Institute, Harvard University, Boston, MA; and
11. Department of Genetics, University of Alabama at Birmingham, Birmingham, AL