Funding for this research was provided by:
Rockefeller Foundation United States (2011THS341)
Text and Data Mining valid from 2019-12-31
Received: 13 October 2018
Accepted: 13 December 2019
First Online: 31 December 2019
Ethics approval and consent to participate
: The NHRC Institutional Ethics Committee granted ethical approval for this study. All data were kept confidential with restricted access.
: All authors had access to the research data including statistical reports, figures and tables used in the manuscript. The authors individually and collectively take full responsibility for the integrity of the data and its analyses, and approved for the publication of the manuscript.
: The authors declare that they have no competing interests.