Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UIDP/04923/2020)
Received: 23 May 2020
Accepted: 29 April 2021
First Online: 17 May 2021
: This study was approved by the HECLHUBA on July 6th, 2014. The decision was published in the meeting minutes issued by the HECLHUBA board of directors, with the reference number of 2/2014. Written informed consent was obtained from all participants prior to the interviews.
: Since the dignity, privacy and freedom of the participants were guaranteed according to the Helsinki Declaration, consent for the publication of the data in a scientific journal was granted.
: The authors declare that they have no competing interests.