1 Department of Neurology, Osakidetza-Basque Health Service, Hospital Universitario Donostia, Donostia-San Sebastian, Spain.
2 Neurosciences, Biogipuzkoa Health Research Institute, Donostia-San Sebastian, Spain.
3 CIBERNED (CIBER, Institute Carlos III), Madrid, Spain.
4 Faculty of Medicine, University of Deusto, Bilbao, Spain.
5 Department of Neurology, Neuropsychology, Osakidetza-Basque Health Service, Hospital Universitario Donostia, Donostia-San Sebastian, Spain.
6 Neurodegenerative Diseases Group, Biogipuzkoa Health Research Institute, Donostia-San Sebastian, Spain.
7 Neurometabolic Disease Lab, Hospital Duran i Reynals, IDIBELL Gran Via 199, 08908 L'Hospitalet de Llobregat, Institut d'Investigacio Biomedica de Bellvitge, Barcelona, Spain.
8 CIBERER (CIBER, Institute Carlos III), Madrid, Spain.
9 Neurological Intensive Care Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada.
10 Clinical Epidemiology Unit, Osakidetza-Basque Health Service, Hospital Universitario Donostia, Donostia-San Sebastian, Spain.
11 Clinical Epidemiology, Biogipuzkoa Health Research Institute, Donostia-San Sebastian, Spain.
12 Neurosciences, Biodonostia Health Research Institute, Donostia-San Sebastian, Spain.