1. Department of Biomedical, Metabolic and Neural Sciences University‐Hospital of Modena and Reggio Emilia Modena Italy
2. Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London UK
3. Department of Neurology University Hospital Heidelberg Heidelberg Germany
4. Department of Human Neurosciences Sapienza University of Rome Rome Italy
5. Department of Molecular Medicine University of Pavia Pavia Italy
6. Neurogenetics Unit IRCCS Santa Lucia Foundation Rome Italy