[1] Univ Aveiro, iBiMED Inst Biomed, Dept Med Sci, Aveiro, Portugal
[2] Univ Aveiro, Dept Med Sci, Aveiro, Portugal
[3] Univ Santiago de Compostela, Hlth Res Inst Santiago de Compostela IDIS, Santiago De Compostela, Spain
[4] Consortium Biomed Res Epidemiol & Publ Hlth CIBER, Santiago De Compostela, Spain
[5] Guarda Polytech Inst UDI IPG, Res Unit Inland Dev, Guarda, Portugal
[6] Univ Beira Interior CICS UBI, Hlth Sci Res Ctr, Covilha, Portugal
[7] UCL, Inst Global Hlth, London WC1N 1EH, England