Received: 21 October 2019
Accepted: 24 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: The study was approved by Ethics Committee of University of Sunderland, UK. Based on this approval, the study was approved by the Institutional Review Board of Clifton Hospital Karachi, Pakistan (Reference#10–17). The respondents were explained about the study at the time of invitation. They were informed that their participation was voluntary and were sought an informed written consent for participation as well as publishing their responses.
: Not applicable.
: The authors declared that they have no competing interests.