Funding for this research was provided by:
Opetus- ja Kulttuuriministeriö
Competitive State Research Financing of the Expert Responsibility area of Tampere University Hospital (9N053, 9S047, 9T046,9U044)
Received: 16 December 2019
Accepted: 28 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: The Ethics Committee of Pirkanmaa Hospital District (ETL-code R10169). The study was carried out in accordance with the Declaration of Helsinki and the guidelines for good scientific practice. Written informed consent was acquired from the participants (and a legal guardian if the player was under 18 years old).
: Not applicable.
: None declared.