1. Ocean Road Cancer Institute; Dar es Salaam; Tanzania
2. International Network for Cancer Treatment and Research; Brussels; Belgium
3. Obafemi Awolowo University Teaching Hospitals Complex; Ile-Ife; Nigeria
4. Kenyatta National Hospital; Nairobi; Kenya
5. University College Hospital; Ibadan; Nigeria
6. University of Siena; Siena; Italy
7. Imperial College of Science, Technology and Medicine; London; UK
8. Hôpitaux Universitaires Paris Sud; Bicêtre Université Paris; Paris; France
9. National Cancer Institute; Bethesda; MD; USA