Funding for this research was provided by:
Received: 8 February 2019
Accepted: 11 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: The study adhered to the Declaration of Helsinki principles and was approved by the Institutional Ethics Committee of Public Health Foundation of India, New Delhi (Vide no. TRC-IEC-173/13). The physicians in charge of the health facilities were contacted and their permission was obtained in prior. Written informed consent was obtained from all respondents following an explanation of the study aims and procedures. All necessary measures were taken to preserve patient anonymity and confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.