1 CIDES - Department of Health Information and Decision Sciences, Faculty of Medicine, University of Porto, Portugal; CINTESIS - Center for Health Technology and Services Research, Portugal. Electronic address: [email protected].
2 CIDES - Department of Health Information and Decision Sciences, Faculty of Medicine, University of Porto, Portugal.
3 CIDES - Department of Health Information and Decision Sciences, Faculty of Medicine, University of Porto, Portugal; CINTESIS - Center for Health Technology and Services Research, Portugal.
4 Department of Plastic, Reconstructive, and Aesthetic Surgery, Hospital São João, Faculty of Medicine, University of Porto, Portugal.