1. Laboratorio de Genética Hospital Universitario Central de Asturias Oviedo Spain
2. Movement Disorders Unit, Department of Neurology University Hospital Mútua de Terrassa and Fundació Docència i Recerca Mútua de Terrassa Terrassa, Barcelona Spain
3. Department of Neurology Hospital Universitario Central de Asturias Oviedo Spain
4. Instituto de Investigación Sanitaria del Principado de Asturias (ISPA) Oviedo Spain
5. Biobank of Principado de Asturias Hospital Universitario Central de Asturias (HUCA) Oviedo Spain
6. Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Department Hospital Clínic i Provincial de Barcelona and Institut d'Investigacions Biomèdiques August Pi I Sunyer Barcelona Spain
7. Neurological Tissue Bank of the Biobank‐Hospital Clinic‐IDIBAPS Barcelona Spain
8. Pathology Department, Biomedical Diagnostic Center Hospital Clínic de Barcelona, University of Barcelona Barcelona Spain
9. Parkinson's Disease and Movement Disorders Unit, Department of Neurology, Hospital Clinic of Barcelona, Spain; Institut de Neurociències, Maeztu Center, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) University of Barcelona Barcelona Spain
10. CIBERNED Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III Madrid Spain
11. Alzheimer's Centre Reina Sofia‐CIEN Foundation‐ISCIII Madrid Spain
12. Department of Neurology Marqués de Valdecilla University Hospital (University of Cantabria and IDIVAL) Santander Spain
13. Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades Universitat Internacional de Catalunya Barcelona Spain
14. Movement Disorders Unit, Department of Neurology and Neurophysiology Instituto de Biomedicina de Sevilla Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla Seville Spain
15. Department of Medicine, Facultad de Medicina Universidad de Sevilla Seville Spain
16. Department of Neurology, IIB Sant Pau, Hospital de la Santa Creu i Sant Pau Universitat Autònoma de Barcelona Barcelona Spain
17. Movement Disorders Unit, Department of Neurology Hospital General Universitario Gregorio Marañón Madrid Spain
18. Instituto Investigación Sanitaria Gregorio Marañón Madrid Spain
19. Unit of Neurodegenerative diseases, Department of Neurology University Hospital Germans Trias i Pujol and The Germans Trias i Pujol Research Institute (IGTP) Badalona Barcelona Spain