Zakar, Rubeena
Zakar, Muhammad Zakria
Zaheer, Lubna
Fischer, Florian http://orcid.org/0000-0002-4388-1245
Article History
Received: 20 July 2017
Accepted: 12 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: Ethical approval was obtained by the Institutional Review Board, University of the Punjab, and also from the hospitals and nursing institutes where data collection took place. Written informed consent was provided by study participants.
: Not applicable.
: The authors declare that they have no competing interests.