Received: 3 June 2021
Accepted: 1 September 2021
First Online: 21 September 2021
: This study was approved by the Women's and Children's Hospital, Adelaide, Human Research Ethics Committee (HREC/20/WCHN/64) and was given in principle support from CF Australia (peak body for CF in Australia) and the Monash Data Registry Centre (custodians of the ACFDR) and ACFDR Steering Committee.
: Not applicable.
: The authors declare that they have no competing interests.