1. University of South Florida; Center for Evidence Based Medicine and Health Outcomes Research; 12901 Bruce B. Downs Blvd MDC 27 Tampa Florida USA 33612
2. University of Birmingham; Cancer Research Clinical Trials Unit, School of Cancer Sciences; Edgbaston Birmingham UK B15 2TT
3. University of South Florida & Mofftt Cancer Center; USF Program for Comparative Effectiveness Research & Dpt of Hematology, Moffitt Cancer Ctr; Tampa Florida USA