Received: 24 September 2019
Accepted: 24 October 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: Not applicable: Ethics approval was not required as this was a survey of clinicians. Collaborative authorship was predetermined as any surveyor who contributed 5 distinct responses from different consultants during the data collection period.
: Not applicable.
: The authors declare they have no competing interests.