Bhattarai, Dharmagat
Kumrah, Rajni
Kaur, Anit
Kaur, Anupriya
Srivastava, Priyanka
Rawat, Amit
Singh, Surjit
Article History
Received: 30 March 2021
Revised: 18 August 2021
Accepted: 18 October 2021
First Online: 24 December 2021
Competing interests
: The authors declare no competing interests.
: Informed written consent is taken from parents of all subjects and controls. An assent was obtained from all children above 7 years of age. This study was approved by Institute Ethics Committee and Institute Thesis Committee and Departmental Review Board.
: Yes.