Received: 16 February 2018
Accepted: 16 August 2018
First Online: 25 August 2018
Ethics approval and consent to participate
: The Institutional Ethical Committee of the Anthropological Survey of India and University of Mysore approved the protocol and ethical clearance of the study. Written informed consent was obtained from all the study individuals.
: Not applicable
: The authors declare that they have no competing interests.
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