Authors’ contributions
ZW
RECRUITMENT
JK, AL, DH and MC designed the study and wrote the grant to obtain funding. JK and AL were involved in all aspects of recruitment of participants, data collection, carrying out interventions and drafting and submission of the manuscript. SK, GF, JS and JK recruited participants and performed the intervention programs and evaluations. BM, AM, and SM performed pre and post assessment of participants. MC assisted in recruitment of participants. DH performed data analysis and created tables and figures. ZW and KP developed all software and provided technical support. All authors revised the manuscript.