1. Neuroimmunology Program, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Universitat de Barcelona Barcelona Spain
2. Service of Neurology Hospital Clinic de Barcelona Barcelona Spain
3. Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Department Hospital Clinic, IDIBAPS, Universitat de Barcelona Barcelona Spain
4. Department of Neurology University of Pennsylvania Philadelphia PA USA
5. Institució Catalana de Recerca i Estudis Avançats (ICREA) Barcelona Spain