1 Medicine Department, Hospital Pedro Hispano, Matosinhos Local Health Unit, Internal Medicine Service, Rua Dr. Eduardo Torres, Senhora da Hora 4464-513, Portugal; ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge de Viterbo Ferreira 228, Porto 4050-313, Portugal. Electronic address: vasco.barreto@ulsm.min-saude.pt.
2 Knowledge Management Unit, Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal; CINTESIS@RISE, Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal.
3 ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge de Viterbo Ferreira 228, Porto 4050-313, Portugal; CINTESIS@RISE, Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal; Intensive Care Department, Hospital Padre Américo, Tâmega e Sousa Local Health Unit, Avenida do Hospital Padre Américo 210, Guilhufe 4564-007, Portugal.