Text and Data Mining valid from 2020-04-20
Received: 21 February 2020
Accepted: 4 April 2020
First Online: 20 April 2020
Ethics approval and consent to participate
: This survey was done with the agreement and support of our Hospital Audit Department (Audits 8179, 8180, 8180) and as such was exempt from ethics committee submission.
: Not applicable.
: The authors declare that they have no competing interests.