[1] Egas Moniz Cooperat Ensino Super, Egas Moniz Dent Clin EMDC, Periodontol Dept, P-2829511 Almada, Portugal
[2] Egas Moniz Cooperat Ensino Super, Clin Res Unit CRU, Egas Moniz Interdisciplinary Res Ctr CiiEM, P-2829511 Almada, Portugal
[3] Hosp Pedro Hispano, Neuroradiol Dept, P-4464513 Porto, Portugal
[4] Univ Porto, ICBAS Inst Biomed Sci, P-4099030 Porto, Portugal
[5] Egas Moniz Cooperat Ensino Super, Quantitat Methods Hlth Res Unit MQIS, P-2829511 Almada, Portugal