Kumar, Arvind
Sandhu, Nitika
Venkateshwarlu, Challa
Priyadarshi, Rahul
Yadav, Shailesh
Majumder, Ratna Rani
Singh, Vikas Kumar
Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1088843)
Bundesministerium für Wirtschaftliche Zusammenarbeit und Entwicklung (DPPC2003-41)
Article History
Received: 25 March 2020
Accepted: 1 June 2020
First Online: 4 August 2020
Competing interests
: The authors declare no competing of interest.