Anwar, Mumtaz
Malhotra, Pooja
Kochhar, Rakesh
Bhatia, Alka
Mahmood, Akhtar
Singh, Rajinder
Mahmood, Safrun
Funding for this research was provided by:
Indian Council of Medical Research
Article History
Received: 15 September 2019
Accepted: 11 March 2020
First Online: 31 March 2020
Ethics approval and consent to participate
: The study and the protocol were ethically approved by the Institute Ethics Committee, PGIMER vide Reference no. NKG/834.
: Not applicable.
: The authors declare that they have no competing interests.