Funding for this research was provided by:
National Heart, Lung, and Blood Institute (HHSN268200900026C)
Text and Data Mining valid from 2019-03-18
Received: 15 January 2019
Accepted: 5 March 2019
First Online: 18 March 2019
Ethics approval and consent to participate
: Institutional ethics committees at each participating site and the research coordinating centres (Public Health Foundation of India and Emory University, USA) approved the study and all physicians and patients gave written informed consent prior to participating in this study.
: Not applicable.
: The authors declare that they have no competing interests.