Article History
Received: 28 January 2019
Accepted: 10 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: Written consent was obtained from participants of the study and Institutional Review Committee of the Health Services Academy, Islamabad Pakistan has approved the ethical clearance prior to start the data collection (7–82/2017-IERB).
: Not applicable.
: Author Ramesh Kumar is an Editorial Board Member for this journal. All other authors declare that they have no competing interests.