1. Laboratory of Toxycology and Advanced Diagnostics Department of Laboratory Medicine and Pathology Ospedale Civile S. Agostino Estense Modena Italy
2. Department of Neuroscience Ospedale Civile S. Agostino Estense Azienda Ospedaliero Universitaria di Modena Modena Italy
3. Department of Neuroscience ALS Center "Rita Levi Montalcini" University of Torino Torino Italy
4. The Azienda Ospedaliero Universitaria Città della Salute e della Scienza Torino Italy
5. The Neuroscience Institute of Torino Torino Italy
6. Neuromuscular Diseases Research Section Laboratory of Neurogenetics National Institute on Aging National Institutes of Health Bethesda MD USA
7. Department of Neurology Johns Hopkins University Baltimore MD USA