1. Associate Clinical Professor of Medicine, University of California, Divisions of AIDS & Infectious Diseases, San Francisco, CA, USA.
2. Harvard University School of Public Health, Department of Population & International Health, Boston, MA, USA
3. Senior Lecturer, Consultant Urologist, Director of Male Circumcision Services, University Teaching Hospital, Lusaka, Zambia
4. Coordinator, Universities of Nairobi, Illinois & Manitoba Male Circumcision Project, Lumumba Health Center, Kisumu, Kenya
5. Kampala, Uganda
6. Senior Research Scientist, Harvard University School of Public Health, Center for Population & Development Studies, 9 Bow St, Cambridge, MA 02138, USA.