Funding for this research was provided by:
National Health and Medical Research Council (.)
Actelion Pharmaceuticals (.)
Received: 11 December 2019
Accepted: 9 December 2020
First Online: 8 March 2021
Ethics approval and consent to participate
: This study was approved by the Southern Adelaide Clinical Human Research Ethics Committee (HREC/15/SAC/397), and all participants provided written and informed consent to participate in the study.
: Not applicable.
: The author declares that they have no competing interests.