Sreenivasan, Priya
Geetha, S.
Santhosh Kumar, A.
Article History
Received: 14 August 2019
Revised: 14 November 2019
Accepted: 10 June 2020
First Online: 2 November 2020
Ethics clearance
: Institutional Review Board, Government Medical College, Thiruvananthapuram; No. 06/62/2015/MCT, dated December 09, 2015.