Text and Data Mining valid from 2018-12-01
Received: 16 July 2018
Accepted: 21 November 2018
First Online: 5 December 2018
Ethics approval and consent to participate
: The study design and consent forms were approved by the institutional ethics committee of the SRM Medical College Hospital and Research Centre. Ethics clearance number: 639/IEC/2014. Informed written consent was obtained from each participant in this study.
: Not applicable.
: All authors declare that they have no competing interests.
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