Funding for this research was provided by:
National Health and Medical Research Council (1042600)
Received: 5 February 2019
Accepted: 17 June 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the Garhwal Community Development and Welfare Society. Written informed consent was obtained from each participant before any data were collected.
: Not applicable.
: The authors declare that they have no competing interests.