“…Firstly, the findings underscore that the determinants of effective SP implementation arise at the interface of health systems and the patient milieu. Examples of factors repeatedly identified as influencing adherence include geographic remoteness and physical distance to health facilities vis-à-vis transport options [ 15 , 18 , 23 , 24 ], inconvenience to patients exacerbated by competing priorities (such as schooling or employment) and clinic wait times [ 14 , 18 ], the quality of provider-patient relationships and communications [ 23 , 25 - 27 ], fear of painful injections [ 18 , 19 , 28 ], the degree of education and disease awareness among patients (or, in the case of children, their parents) [ 14 , 19 , 27 , 28 ], and levels of support from family and friends [ 24 , 25 ].…”