1. Botswana Baylor Children's Clinical Center of Excellence
2. Department of Surgery, Princess Marina Hospital
3. Botswana Harvard AIDS Institute Partnership, Gaborone, Botswana
4. Department of Surgery, Baylor College of Medicine, Houston, Texas
5. Division of Cancer Prevention and Population Sciences, Department of Epidemiology, Harvard Medical School
6. Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital
7. Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
8. University of Texas MD Anderson Cancer Center
9. Division of Cancer Medicine University of Texas MD Anderson Cancer Center, Department of General Oncology, Houston, Texas, USA.