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Andrew Gardner, PhD. 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 since July 2016. 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. 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. He is currently funded through an NHMRC Early Career Fellowship and the University of Newcastle\u2019s Priority Research Centre for Stroke and Brain Injury. He has received research funding from the National Rugby League (NRL) for the Retired Players Brain Health research programme.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The datasets generated during and\/or analysed during the current study are available from the corresponding author on reasonable request.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of data and material"}},{"value":"The code used in the current study is available from Jordan Andersen via the corresponding author on reasonable request.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code availability"}},{"value":"Kerry Peek, Jordan Andersen, Marnee McKay, Tim Meyer and Andrew Gardner contributed to the concept and design of this study. Kerry Peek, Marnee McKay and Jordan Andersen pilot tested the IMU in the biomechanics laboratory prior to the study commencing. Kerry Peek and Theo Versteegh designed the exercise programme used in this study. Kerry Peek and Marnee McKay collected the data. Jordan Andersen converted and calculated head impact data. The first draft of the manuscript was written by Kerry Peek with initial review from Andrew Gardner. All authors commented on versions of the manuscript, and all read and approved the final manuscript.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Authors' contributions"}},{"value":"Approval for the research was granted from the Human Research Ethics Committee at the University of Sydney. This study was performed in accordance with the standards of ethics outlined in the Declaration of Helsinki and registered with the Australian New Zealand Clinical Trials Registry (no: ACTRN12619001375145).","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"All participants and their parent\/carer\/guardian provided written consent to participate prior to study commencement.","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"All participants and their parent\/carer\/guardian provided written consent for publication of their data prior to study commencement.","order":9,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}]}}