Funding for this research was provided by:
National Rugby League (NRL) Rugby League Research Committee
Received: 11 August 2020
Accepted: 26 April 2021
First Online: 7 June 2021
: Not applicable.
: All authors consent to publication.
: The authors, Suzi Edwards, Gordon Fuller, Matthew Buchanan, Roger Lee, Timana Tahu, Ross Tucker, and Andrew Gardner, declare that they have no competing interest. Andrew Gardner, Ph.D. serves as a scientific advisor for hitIQ, Ltd. He has a clinical practice in neuropsychology involving individuals who have sustained sport-related concussion (including current and former athletes). He has been a contracted concussion consultant to Rugby Australia (2016–2020). He has received travel funding or been reimbursed by professional sporting bodies, and commercial organisations for discussing or presenting sport-related concussion research at meetings, scientific conferences, workshops and symposiums. He has received research funding from the National Rugby League (NRL) for the Retired Professional Rugby League Players Brain Health Research Program. Previous grant funding includes the NSW Sporting Injuries Committee, the Brain Foundation (Australia), an Australian-American Fulbright Commission Postdoctoral Award, a Hunter New England Local Health District, Research, Innovation and Partnerships Health Research & Translation Centre and Clinical Research Fellowship Scheme, and the Hunter Medical Research Institute (HMRI), supported by Jennie Thomas, and the HMRI, supported by Anne Greaves. Ross Tucker is a research consultant to World Rugby (Pty) Ltd, the governing body for Rugby Union globally. Timana Tahu is an employee of the National Rugby League as a transitional officer working with Indigenous students.