1. 1Division of Experimental Oncology, Università Vita-Salute San Raffaele and IRCCS Ospedale San Raffaele, Milano, Italy
2. 2Tom Baker Cancer Centre, University of Calgary and Alberta Health Services, Calgary, Canada
3. 3Columbia University Division of Hematology/Oncology, Mount Sinai Medical Center, Miami, FL
4. 4Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY
5. 5Chronic Lymphocytic Leukemia Program, Memorial Sloan Kettering Cancer Center, New York, NY
6. 6Everest Clinical Research, Owings Mills, MD
7. 7Pharmacyclics LLC, an AbbVie Company, South San Francisco, CA
8. 8Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX