Funding for this research was provided by:
the research council of norway
universitetet i bergen
Received: 2 August 2021
Accepted: 8 December 2021
First Online: 24 December 2021
: A trained interviewer obtained informed consent as previously described [CitationRef removed]. The study was registered with ClinicalTrials.gov, NCT02653534. We obtained ethics approval from the ethics committees of the Society for Applied Studies in India and the Regional Committee for Medical and Health Research Ethics in Norway.
: All authors reviewed the manuscript and gave consent for publication.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.