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Article History

Received: 8 April 2018

Accepted: 20 June 2018

First Online: 3 July 2018

Ethics approval and consent to participate

: The study was performed according to the declaration of Helsinki and was approved by the Institutional Ethics Committee of Postgraduate Institute of Medical Education and Research, Chandigarh, India. Written informed consent was obtained from all the patients to participate in the study.

: The authors confirm that they have obtained consent from the participants to publish the trial data.

: The authors declare that they have no competing interests.

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