1. Neurology Service, Hospital Clinic de Barcelona, IDIBAPS, CIBERNED; Barcelona Spain
2. Psychiatry Service, Hospital Clinic de Barcelona; Barcelona Spain
3. Biomedical Research Networking Center of Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN); Barcelona Spain
4. Department of Neurology; Medical University Innsbruck; Austria
5. Nuclear Medicine Service, Hospital Clinic Barcelona, IDIBAPS; Barcelona Spain