Funding for this research was provided by:
National Health and Medical Research Council (GNT1116371)
Received: 3 May 2020
Accepted: 17 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: Ethical approval for the registry was granted by the Sydney Local Health District HREC on 1st September 2016 (HREC/16/RPAH/345) and the Western Australian South Metropolitan Health Service HREC on 5th May 2017 (RGS11/ILD1) with each subsequent site responsible for obtaining local governance approval. All participants completed written consent.
: Not applicable.
: The authors declare that they have no competing interests.