1 CICS-UBI, Health Sciences Research Centre, University of Beira Interior, and CHCB University Hospital, Covilhã, Portugal; Public Health Research Centre (CISP), National School of Public Health, Nova University of Lisbon, Lisbon, Portugal. Electronic address: sbravara@fcsaude.ubi.pt.
2 Federal University of Ouro Preto (UFOP), Ouro Preto, Brazil.
3 Instituto de Investigação, Inovação e Desenvolvimento (FP-I3ID), Universidade Fernando Pessoa, Porto, Portugal.
4 Centre for Clinical Research and Prevention, Copenhagen University, Denmark.