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Authors
Ljunggren, Gustav https://orcid.org/0000-0002-7342-3085
Perera, Nirmala Kanthi Panagodage https://orcid.org/0000-0001-6110-8945
Hägglund, Martin https://orcid.org/0000-0002-6883-1471
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Funding
Funding for this research was provided by:
Vetenskapsrådet (2015-02414)
Centrum for Idrottsforskning (P2018-0167)
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Article History
Received: 28 January 2019
Accepted: 29 July 2019
First Online: 7 August 2019
Ethics Approval and Consent to Participate
: The regional ethical review board in Linköping granted ethics approval for this study (Dnr: 2017/109-31), and consent was obtained from all players and their legal guardians. The study was performed in accordance with the standards of ethics outlined in the Declaration of Helsinki.
: Not applicable
: The authors, Gustav Ljunggren, Nirmala Kanthi Panagodage Perera Perera, and Martin Hägglund, declare that they have no competing interests.
