Article History
Received: 23 December 2019
Accepted: 31 January 2020
First Online: 13 February 2020
Compliance with ethical standards
:
: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.
: Ethical approval was obtained from the All India Institute of Speech and Hearing (AIISH) Ethical Review board for carrying out the study. The manuscript adheres to the ethical standards according to the Declartion of Helsinki.
: Informed consent was obtained from the patient to participate in the study.