Funding for this research was provided by:
Children's Investment Fund Foundation
UBS Optimus Foundation
Received: 13 August 2018
Accepted: 21 February 2019
First Online: 1 March 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Committee of the Public Health Foundation of India (TRC-IEC-141/12) and by the Government of Rajasthan. The study is registered at the Clinical Trials website of the U.S. Government, ClinicalTrials.gov: NCT01994304.
: All authors have provided consent for publication of this manuscript.
: All authors declare that we have no competing interests.
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