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Towards an operational definition of sports concussion: identifying a limitation in the 2012 Zurich consensus statement and suggesting solutions

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  • Contributors KLQ conceived the idea for the manuscript, wrote the initial and the revised drafts. IRM provided important input into the content of the manuscript during the drafting and revising processes.

  • Competing interests KLQ and IRM are employed by New Zealand Rugby in the roles of Senior Scientist and Chief Medical Officer, respectively.

  • Provenance and peer review Not commissioned; internally peer reviewed.