Funding for this research was provided by:
Postgraduate Institute of Medical Education and Research (No. 71/6-Edu/13/3248)
Received: 1 December 2017
Accepted: 17 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: The study was approved by the Institute Ethics Committee (Intramural) of the Postgraduate Institute of Medical, Education and Research, Chandigarh, India.
: The authors declare that they have no competing interests.
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