1. Department of Internal Medicine, Baixo Vouga Hospital Center, Aveiro, Portugal
2. Department of Internal Medicine, Santo António University Hospital - Porto, Portugal
3. Department of Internal Medicine, Western Lisbon Hospital Center - Lisboa, Portugal
4. Department of Emergency, Braga Hospital, Braga, Portugal
5. Life and Health Sciences Research Institute (ICVS), School of Medicine of University of Minho, Braga, Portugal