Received: 14 June 2020
Accepted: 17 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: Ethical approval was granted by South Western Sydney Local Health District (HREC/171/LPOOL/353), BJC Health private rheumatology clinic (SSA/17/LPOOL/407) Sydney, Australia, and Auckland University of Technology Ethics Committee (AUTEC 17/320) and Waitemata District Health Board of Auckland, New Zealand (RM/3907). Written informed consent was provided by all participants prior to data collection.
: Not applicable.
: The authors KC, CT, SW and DET declare that they have no competing interests. KR is editor-in-chief of the Journal of Foot and Ankle Research.