Institution: | 1.Department of Neurology, Serviço de Neurologia, Hospital de Santa Maria, Avenida Professor Egas Moniz, 1649-035, Lisbon, Portugal ;2.Laboratory of Cerebral Hemodinamic, Hospital de Santa Maria, Lisbon, Portugal ;3.Faculty of Medicine, Instituto de Medicina Molecular, Universidade de Lisboa, Lisbon, Portugal ; |