1. NSIA-LUTH Cancer Centre, Lagos University Teaching Hospital, Lagos, Nigeria
2. Hematology & Oncology Unit, Department of Pediatrics, College of Medicine University of Lagos, Lagos, Nigeria
3. Oncology Center, University of Nigeria Teaching Hospital, Enugu, Nigeria
4. Psychosocial Oncology & Palliative Care, Dana Farber Cancer Institute, Boston, MA
5. Long Island Jewish Medical Center and North Shore University Hospital, New Hyde Park, NY
6. Department of Radiation Oncology, Mayo Clinic, Rochester, MN
7. Johns Hopkins School of Medicine, Baltimore, MD
8. Marshfield Clinic Research Institute, Marshfield Clinic Health System, Marshfield, WI