1. Department of Biosciences, Istituto Nazionale di Genetica Molecolare, University of Milan and INGM, Milan, Italy
2. Cell Biology Unit, Axxam, Bresso-Milan, Italy
3. Department of Biology, Unit of Cell and Developmental Biology, University of Pisa, Pisa, Italy
4. Department of Neuroscience and Kavli Institute for Neuroscience, Yale School of Medicine, New Haven, CT, USA
5. Department of Clinical Neuroscience, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
6. Unit of Human Pathology and Developmental Pathology, Department of Health Sciences, Università degli Studi di Milano, San Paolo Hospital, Milan, Italy
7. Neuroimmunology Unit, Institute of Experimental Neurology (INSpe), Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
8. Department of Genetics, of Psychiatry and of Comparative Medicine, Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale Child Study Center, Yale School of Medicine, New Haven, CT, USA