Funding for this research was provided by:
the Australian National Heart Foundation Future Leader Fellowship (GNT100484)
Received: 10 April 2019
Accepted: 20 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: Ethical approval was obtained from Ethics Committee of The George Institute for Global Health, India. All participants gave written informed consent in Telugu.
: Not applicable.
: The authors declare that they have no competing interests.