1. Endocrinology and Diabetes UnitDepartment of Internal Medicine, Muhimbili National Hospital, Dar es Salaam, Tanzania
2. Department of PhysiologyFaculty of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
3. Department of EpidemiologyHarvard T.H. Chan School of Public Health, Boston, MA, USA
4. Department of Community HealthMbarara University of Science and Technology, Mbarara, Uganda
5. Department of Epidemiology and BiostatisticsSchool of Public Health, Makerere University College of Health Sciences, Kampala, Uganda
6. Institute of Human VirologyAbuja, Nigeria
7. School of Medicine Greenbaum Cancer Center and Institute of Human VirologyUniversity of Maryland, Baltimore, MD, USA
8. Department of Epidemiology and Medical StatisticsFaculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Nigeria
9. The South African Cochrane Centre, South African Medical Research Council, Cape Town, South Africa
10. Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
11. Department of Medical Epidemiology and BiostatisticsKarolinska Institute, Stockholm, Sweden
12. Channing Division of Network MedicineDepartment of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA