Funding for this research was provided by:
University Grants Commission (3082/NET-DEC.2011)
Article History
Accepted: 21 December 2021
First Online: 28 January 2022
Declarations
:
: The questionnaire and methodology for this study was approved by the Calicut University Human Ethical Committee, University of Calicut, Malappuram, Kerala, India (Ethical clearance certificate number: 003/CUEC/CR/2013–12-CU dated 25.04.2014).
: Informed consent was obtained from all individual participants included in the study.
: Not required by the ethics committee.
: The authors have no conflicts of interest to declare that are relevant to the content of this article.