1. Department of Neurology, Egas Moniz Hospital, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
2. Public Health Unit, Agrupamento de Centros de Saúde (ACES), Lisboa Ocidental e Oeiras, Lisbon, Portugal
3. Chronic Diseases Research Centre (CEDOC)—Nova Medical School, Universidade Nova de Lisboa, Lisbon, Portugal