Authors’ contributions
SB and SM developed the process evaluation plan with inputs from AA and JM. SB, BB, BT, SM and SS trained the researcher and ensured data quality. BT and SY coded and analyzed the qualitative and NS and SG analysed the quantitative data. AA, BT, JM, SB and SY discussed the data and prepared the paper outline. SB wrote the first draft of the manuscript with support from SY. JM helped develop the writing process through comments and discussions with SB and SY and advised on the structure of the manuscript. All authors reviewed and approved the final paper.