Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (FCT/UID/00617/2020)
Text and Data Mining valid from 2020-02-24
Received: 2 September 2019
Accepted: 14 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: The Ethics Committee of the Faculty of Sport of the University of Porto approved the study and was carried out in accordance with the procedures approved by the Declaration of Helsinki. Participants agreed to participate.
: Not applicable.
: The authors declare that they have no competing interests.