1. Stanford Cancer Center, Stanford University School of Medicine, Stanford, CA;
2. Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA;
3. Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX;
4. The Ohio State University Medical Center, Columbus, OH;
5. St. James Institute of Oncology, The Leeds Teaching Hospitals, West Yorkshire, United Kingdom;
6. Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Boston, MA;
7. Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, United Kingdom;
8. Center for CLL, University of Pennsylvania, Philadelphia, PA;
9. Hackensack University Medical Center, Hackensack, NJ; and
10. Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA