1. Division of Hematology Oncology, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
2. Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA
3. Sylvester Comprehensive Cancer Center at the University of Miami and the Miller School of Medicine, Miami, FL
4. Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA
5. Hartford HealthCare Cancer Institute, Hartford, CT
6. The University of Texas MD Anderson Cancer Center, Houston, TX