4. Data analysis
Focus-group interviews were transcribed verbatim and submitted to thematic analysis by two independent judges
(1st and 4th authors), as follows: (1) the text was read several times to construct a sense of the text as a whole; (2)
preliminary codes were created, closely reflecting the interview questions; (3) codes were organized into categories
and then integrated into major themes; (4) the categorization was compared and discussed between the two judges
until reach a consensus; (5) a critical feedback was performed by the other authors. Data was processed using
computerized qualitative data analysis software - webQDA (University of Aveiro, Portugal).