Funding for this research was provided by:
Indian Council of Medical Research (5/7/715/11/RHN)
Text and Data Mining valid from 2018-06-15
Received: 13 September 2017
Accepted: 6 June 2018
First Online: 15 June 2018
Ethics approval and consent to participate
: The study was approved by Ethics Committee of the Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow. Each participant provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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