Funding for this research was provided by:
Indian Council of Medical Research (2018-00395)
Text and Data Mining valid from 2019-04-02
Received: 19 November 2018
Accepted: 17 February 2019
First Online: 2 April 2019
Compliance with ethical standards
: The questionnaire was printed and administered in a pen and paper format, by the principal investigator after obtaining an informed consent from the participants.
: The study was approved by the Institutional Ethical Committee of the ESIC Medical College & PGIMSR, Chennai, through an expedited review process. Verbal informed consent was obtained from all participants before the interview.