Failure to return pillbox is a predictor of being lost to follow‐up among people living with HIV on antiretroviral therapy in rural Tanzania. - Ndege, Robert C.; Okuma, James; Kalinjuma, Aneth V.; Mkumbo, Julius; Senkoro, Elizabeth; Fue, Gideon; Samson, Leila; Mapesi, Herry; Shabani, Siraji; Glass, Tracy R.; Battegay, Manuel; Paris, Daniel H.; et al. (HIV Medicine, 2022)