Text and Data Mining valid from 2019-11-12
Received: 13 August 2019
Accepted: 1 November 2019
First Online: 12 November 2019
Compliance with Ethical Standard
: Dr Gerard S Goh discloses an industry relationship with Cook Medical which has no association with this manuscript. The remaining authors have no disclosures.
: Approval was obtained by The Alfred Human Research and Ethics Committee prior to performing this study.
: For this type of study, formal consent is not required.
: For this type of study, consent for publication is not required.
: Level 3, retrospective cohort study.