Funding for this research was provided by:
Received: 18 February 2021
Accepted: 1 July 2021
First Online: 20 July 2021
Change Date: 31 October 2021
Change Type: Update
Change Details: The paper was amended to add the OA funding note.
: The study was approved by the Institutional Review Board of School of Biological Sciences, University of the Punjab, Lahore. Written informed consents were obtained from the participants and parents for their minor children. All procedures were performed in accordance with relevant guidelines.
: Written informed consent was obtained from patients and parents of minors for publication.
: The authors declare no conflict of interest.