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Authors
Joseph, Jaison http://orcid.org/0000-0002-0332-8154
Hari Sankar, D. http://orcid.org/0000-0002-1812-0102
Nambiar, Devaki http://orcid.org/0000-0001-5682-6109
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Article History
Received: 6 April 2021
Accepted: 22 November 2021
First Online: 11 December 2021
Declarations
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: This is review of secondary data available in the public domain hence ethical approval not required.
: Not applicable.
: We are in full adherence of BMC Public Health policies on sharing data and materials. I wish to confirm that all authors have no competing interests to declare.
