Gul, R.
Shaheen, N.
Shahzad, A.
Article History
Received: 14 May 2019
Accepted: 24 September 2019
First Online: 7 January 2020
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: All measurements/data collection costs are borne by Mufti Clinic, Abbottabad, Pakistan.