1. Faculty of Medicine, Cairo University, Cairo, Egypt
2. University of Kentucky College of Medicine, Lexington
3. Faculty of Medicine, Ain Shams University, Cairo, Egypt
4. Department of Medicine, Ascension St John Hospital, Detroit, Michigan
5. Cleveland Clinic Foundation, Cleveland, Ohio
6. Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston
7. Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, New York
8. Department of Genitourinary Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
9. Mayo Clinic Cancer Center, Division of Hematology and Oncology, Mayo Clinic, Phoenix, Arizona