A. Kakooza¹, J. Grether², L. A. Croen³, R. L. Hansen⁴, C. Karamagi⁵, S. Kiguli⁶, E. Trevathan⁷, K. S. Smith⁸ and K. Ssebyala⁹, (1)Department of Pediatrics, Makerere University, School of Medicine, Kampala, Uganda, (2)Sequoia Foundation, La Jolla, CA, (3)Kaiser Permanente Division of Research, Oakland, CA, (4)University of California, Davis, MIND Institute, Sacramento, CA, (5)Clinical Epidemiology Unit, Makerere College of Health Sciences, Kampala, Uganda, (6)Pediatrics and Child Health, Makerere College of Health Sciences, Kampala, Uganda, (7)Office of the Dean, School of Public Health, St. Louis University, St. Louis, MO, (8)California Department of Public Health, Richmond, CA, (9)Dept. of Paediatrics & Child Health, Makerere University College of Health Sciences, Kampala, Uganda