Fernandez-Fernandez, Jaime
Granacher, Urs
Martinez-Martin, Isidoro
Garcia-Tormo, Vicente
Herrero-Molleda, Alba
Barbado, David
Garcia-Lopez, Juan
Funding for this research was provided by:
Universität Potsdam
Article History
Received: 1 April 2022
Accepted: 14 June 2022
First Online: 20 June 2022
Declarations
:
: The study protocol includes human participants and human data, and the study was conducted with the approval of the local Institutional Ethics committee from the University of León (ETICA-ULE-012-2020), in accordance with the latest version of the Declaration of Helsinki. Prior to the start of the study, players and their parents/legal guardians were fully informed about the protocol and provided their written informed consent. All methods were carried out in accordance with relevant guidelines and regulations,
: Not applicable.
: The authors declare that they have no competing interests.