1Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal; Neurology Department, Hospital Garcia de Orta, Almada, Portugal.
2Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal; CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; GRUBI - University of Beira Interior Systematic Reviews Group, Covilhã, Portugal. Electronic address: nuno.pinto@fcsaude.ubi.pt.
3Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal; CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; GRUBI - University of Beira Interior Systematic Reviews Group, Covilhã, Portugal; Beira Ria Health Center, Aveiro Health Centre, Ílhavo, Portugal.
4Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal; CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; GRUBI - University of Beira Interior Systematic Reviews Group, Covilhã, Portugal.