Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1182519)
Received: 20 June 2019
Accepted: 24 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: This study was approved by Institutional Review Boards at the George Washington University in Washington D.C., United States and the DCOR Institutional Ethics Committee (IEC) in Bhubaneswar, India. Research investigators verbally explained the study and obtained written informed consent before beginning the interview.
: As there are no details, images, or videos relating to an individual person, we do not require consent to publish.
: The authors declare that they have no competing interests.