1. Department of Clinical and Experimental Medicine Neurological Institute University of Pisa Pisa Italy
2. Department of Neuromuscular Disease UCL Queen Square Institute of Neurology The National Hospital for Neurology and Neurosurgery London UK
3. Institute of Genomic Medicine and Rare Disorders Semmelweis University Budapest Hungary
4. Department of Neurosciences, Reproductive and Odontostomatological Sciences Federico II University Naples Italy
5. Institute for Medical Genetics and Applied Genomics Centre for Rare Diseases University of Tübingen Tübingen Germany
6. Department of Neurology Inselspital, University Hospital Bern Switzerland
7. Department of Neurology Center for Rare Movement Disorders Innsbruck Medical University Innsbruck Innsbruck Austria