Received: 10 July 2019
Revised: 21 October 2020
Accepted: 28 November 2020
First Online: 4 May 2021
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: All procedures involving human participants were performed in accordance with the ethical guidelines of Iscte-Instituto Universitário de Lisboa.
: Electronic, informed consent was obtained from all participants prior to their participation in the study.