Received: 28 May 2021
Accepted: 10 September 2021
First Online: 29 November 2021
: The study was approved by the Royal Children’s Hospital Human Research Ethics Committee (EC00238), Australia (HREC/16/RCHM/84), and the Northern A Health and Disability Ethics Committee, New Zealand (16/NTA/146). The ethics committees waived the requirement for informed patient consent because unidentified data from medical records was being collected.
: Not applicable.
: The authors declare that they have no competing interests.