1. John Wayne Cancer Institute at St John’s Health Center, Santa Monica, CA
2. Royal Liverpool and Aintree University Hospitals, Liverpool, UK
3. The University of Texas M.D. Anderson Cancer Center, Houston, TX
4. Siteman Cancer Center at Washington University in St Louis, St Louis, MO
5. Memorial Sloan Kettering Cancer Center, New York, NY
6. Paul Brousse Hospital, Paris, France