Funding for this research was provided by:
fundação para a ciência e a tecnologia (CHRC (UIDP/04923/2020))
Received: 29 June 2021
Accepted: 8 October 2021
First Online: 20 October 2021
: The survey was approved by the Ethics Commission of the NOVA National School of Public Health (Ref: CE/ENSP/CREE/2/2020). Anonymity of participants and confidentiality of data were guaranteed. The database is stored in a password-protected folder, only accessible to the research team members. Informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.