Ethical Approval

For this type of study, formal consent is not required.

Informed Consent

Informed consent was obtained from the participant for the study mentioned as a part of the institutional protocol.

Consent for Publication

Informed consent was taken for publication.

Competing Interests

Piyush Aggarwal, Manoj Sharma, Rajender Kumar, Harmandeep Singh, Bhagwant Rai Mittal and Ashwani Sood declare that they have no competing interests.