Received: 9 September 2021
Accepted: 16 March 2022
First Online: 23 March 2022
: Players and their parents or guardian were then invited to sign an informed consent document before any of the tests were performed. The study has conducted according to the Declaration of Helsinki (2013), and the study was conducted in accordance with the ethical principles of the 1964 Helsinki declaration for human research and was approved by the Research Ethics Committee of the Pontifical University of Comillas (2021/74).
: No individual or indemnifiable data is being published as part of this manuscript.
: The authors declare that they have no competing interests.