1. Levine Cancer Institute, Department of Hematologic Oncology and Blood Disorders, Charlotte, NC 28204, USA
2. Stanford Cancer Institute, Stanford Comprehensive Cancer Center, Stanford, CA 94305, USA
3. Taussig Cancer Institute, Cleveland Clinic, Department of Hematology and Medical Oncology, Cleveland, OH 44195, USA
4. Rocky Mountain Cancer Centers, US Oncology Research, Denver, CO 80218, USA
5. Virginia Cancer Specialists, Gainesville, VA 20155, USA
6. Barbara Ann Karmanos Cancer Institute, Wayne State University, Department of Oncology, Detroit, MI 48201, USA
7. Baylor University Medical Center, Department of Hematology and Medical Oncology, Dallas, TX 75246, USA
8. Oregon Health & Science University, Division of Hematology/Medical Oncology, Portland, OR 97239, USA
9. The Ohio State University Comprehensive Cancer Center, Department of Internal Medicine, Columbus, OH 43210, USA
10. Huntsman Cancer Institute, University of Utah, Department of Internal Medicine, Salt Lake City, UT 84112, USA
11. Cross Cancer Institute, University of Alberta, Department of Oncology, Edmonton, Alberta, T6G 1Z2, Canada
12. Gilead Sciences, Inc, Foster City, CA 94404, USA
13. Memorial Sloan Kettering Cancer Center, New York City, NY 10065, USA