Funding for this research was provided by:
University of Cape Town (Research grant)
South African Society of Anaesthesiologists (Research grant)
Text and Data Mining valid from 2020-02-18
Received: 25 May 2019
Accepted: 16 December 2019
First Online: 18 February 2020
Ethics approval and consent to participate
: Not applicable
: Not applicable.
: The authors declare that they have no competing interests.