Nandan, Rajiv
Poonia, Shish Pal
Singh, Sati Shankar
Nath, Chaitanya Prasad
Kumar, Virender
Malik, Ram Kanwar
McDonald, Andrew
Hazra, Kali Krishna http://orcid.org/0000-0002-7646-1087
Funding for this research was provided by:
Bill and Melinda Gates Foundation
Article History
Received: 28 January 2020
Accepted: 3 August 2020
First Online: 18 August 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.