Article History
Received: 20 August 2018
Accepted: 22 November 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: The ethics approval was obtained from Ethical and Research Board of Department of Pharmacy, Quaid-I-Azam University, Islamabad (Letter No. QAU/pharmacyDept/213). The approval was also obtained from selected hospitals, Pakistan Institute of Medical Sciences, PIMS (Letter No. F.1–1/2015/ERB/SZABMU/08/16) and other hospitals allowed the research to be conducted on the basis of university ethical letter.The selected participants were asked to participate and were required to sign an informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.
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