Funding for this research was provided by:
Australian Pain Society/ Australian Pain Relief Association/ Cops for Kids (Clinical Research Grant #1.)
Received: 3 February 2021
Accepted: 20 August 2021
First Online: 28 August 2021
: All methods were performed in accordance with the Declaration of Helsinki. The study received ethics approval and governance authorisation through the Royal Children’s Hospital Human Research Ethics Committee (Number 36037D) and governance at the Children’s Hospital at Westmead, the Women’s and Children’s Hospital and the Queensland Children’s Hospital. Informed consent was obtained for all study participants via the parent, legal guardian, or person with power of attorney.
: Not applicable.
: The authors declare that they have no competing interests.