Fig. 1From: Rationale and design of mDOT-HuA study: a randomized trial to assess the effect of mobile-directly observed therapy on adherence to hydroxyurea in adults with sickle cell anemia in TanzaniaStages of the trial, events and time points. Keys: T time in weeks, − before randomization, FU follow-up, * = participants will be enrolled in 2 months but each of them entering at his/her own time and start screening on the same dayBack to article page