1. University of Texas MD Anderson Cancer Center; Houston Texas
2. Winship Cancer Institute of Emory University; Atlanta Georgia
3. Universitätsklinikum RWTH Aachen; Aachen Germany
4. Universitätsklinikum Hamburg-Eppendorf; Hamburg Germany
5. Memorial Sloan Kettering Cancer Center; New York New York
6. Pfizer Inc; New York New York
7. Pfizer Inc; Groton Connecticut
8. Pfizer Inc; Cambridge Massachusetts
9. Princess Margaret Cancer Center; Toronto Ontario Canada
10. University of Milano-Bicocca; Monza Italy