1. CNS Gene Therapy Program, Center for Applied Medical Research (CIMA), University of Navarra , 31008 Pamplona , Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (Ciberned-ISCIII) , 28031 Madrid , Spain
3. Aligning Science Across Parkinsons’s (ASAP) Collaborative Research Network , Chevy Chase, MD 20815 , USA
4. Translational Molecular Imaging Unit, Department of Nuclear Medicine, Clínica Universidad de Navarra , 31008 Pamplona , Spain
5. Department of Neurosurgery, Hospital Universitario de Navarra, Servicio Navarro de Salud , 31008 Pamplona , Spain
6. Research Center for Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela , 15782 Santiago de Compostela , Spain
7. Vall d’Hebron Research Institute, Neurodegenerative Diseses Research Group , 08035 Barcelona , Spain
8. Autonomous University of Barcelona (UAB) , 08193 Bellaterra, Barcelona , Spain
9. Catalan Institution for Research and Advanced Studies (ICREA) , 08010 Barcelona , Spain