Article History
Received: 17 December 2020
Accepted: 7 April 2021
First Online: 16 April 2021
Declarations
:
: The authors declare that there is no conflict of interest.
: The study was approved by the Ethical Committee of Polytechnic Institute of Coimbra in March 2018 (Approval number 2/2018).
: All the participants gave written consent prior to their participation, and the procedures applied were carried out in accordance with the Declaration of Helsinki.