[1] University of Washington, Department of Health Service and Nutritional Sciences, University of Washington School of Public Health, Box 353410, Raitt Hall, Seattle, 98195-3410, WA
[2] Mbarara University of Science and Technology, Mbarara
[3] Georgetown Medical School, Georgetown University, Washington, DC
[4] Serge and Naivasha Health Center, Naivasha
[5] Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC