Mustafa, Akif http://orcid.org/0000-0002-7917-8922
Shekhar, Chander
Article History
Received: 4 February 2021
Accepted: 17 July 2021
First Online: 6 August 2021
Declarations
:
: The ethical approval to the survey were provided by the Population Council’s International Review Board (New York, USA) and ethics committee of the Post Graduate Institute of Medical and Research (Chandigarh, India) [CitationRef removed]. For children less than 10 years old, written informed consent was taken from parent/caregiver. For adolescents 11–17 years old, the informed consent was taken from parents/caregiver as well as the adolescents. Written informed consent was taken from adolescents > 17 years of age. The blood sample collection was in accordance with the relevant guidelines and regulations [CitationRef removed].
: Not applicable.
: None of the authors have any conflict of interest to declare.