Study	Reason for exclusion
Konkle‐Parker 2010	This RCT pilot trial assessed the efficacy of an intervention with both a face‐to‐face and a telephone component to improve medication adherence in PLHIV. We excluded the study because the use of the telephone was only a part of the intervention and could not be separately evaluated.
Puccio 2006	This pilot study assessed the use of cell phone reminder calls for improving adherence to ART in young PLHIV. We excluded the study because of was not of an eligible study design.
Uzma 2011	This RCT assessed the efficacy of an intervention combining both telephone calls and face‐to‐face sessions for improving ART adherence in PLHIV. We excluded the study because the use of the telephone was only a part of the intervention and could not be separately evaluated.
Wang 2010	This study assessed the efficacy of a nurse delivered intervention combining home visits and telephone calls designed to improve medication adherence and quality of life. We excluded the study because the use of the telephone was only a part of the intervention and could not be separately evaluated.