“…Twenty-eight were narrative descriptions, three quantitative studies, one qualitative study, four mixed method studies and one commentary. The selected articles were from Bolivia, [24] China, [25,26] India, [27][28][29][30][31][32] Kenya, [33,34] Malawi, [35,36] Nepal, [37,38] Rwanda, [39,40] Tajikistan, [41] Tanzania, [42,43] Uganda, [44][45][46][47][48][49] Vietnam [50,51] and Zambia. [52] Eight articles [13,[53][54][55][56][57][58][59] described PC services in more than 1 country.…”