Qasim, Rubina https://orcid.org/0000-0002-1663-9568
Masih, Sarfaraz
Hussain, Mehwish
Ali, Akhter
Khan, Ajmal
Shah, Yousaf
Shah, Hakim
Yousafzai, Mohammad Tahir
Article History
Received: 14 January 2019
Accepted: 30 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: Yes (Approved by Institutional Review Board of Dow University of Health Sciences, Karachi, Pakistan. Written Informed consent will be obtained from each participant).
: Not applicable.
: The authors declare that they have no competing interests.