Funding for this research was provided by:
American Foundation for Suicide Prevention (DIG-0-095-12 and YIG-0-107-14)
Wellcome Trust (GR090958)
Received: 23 June 2019
Accepted: 7 May 2020
First Online: 25 May 2020
Ethics approval and consent to participate
: Ethics approval for the original cluster RCT [CitationRef removed] was granted by two research ethics committees: 1) the Committee on Research and Ethical Review, Faculty of Medicine, University Peradeniya and 2) Ethics Review Committee, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka. Written consent obtained from all participants. This analysis was performed under that ethics permission; no additional ethics approval was required.
: Not applicable.
: The authors declare that they have no competing interests.