Phengxay, Manilay; Mirza, Sara A.; Reyburn, Rita; Xeuatvongsa, Anonh; Winter, Christian; Lewis, Hannah; Olsen, Sonja J.; Tsuyuoka, Reiko; Khanthamaly, Viengphone; Palomeque, Francisco S.; Bresee, Joseph S.; Moen, Ann C.; Corwin, Andrew L.; the Lao PDR Field Epidemiology Training Cohort Team