1. Clinical Imaging Sciences Centre, Department of Neuroscience, Brighton and Sussex Medical School Brighton UK
2. Neuroimaging Laboratory, Santa Lucia Foundation Rome Italy
3. NMR Research Unit, Queen Square MS Centre, UCL Institute of Neurology University College London London UK
4. Department of Brain and Behavioral Sciences University of Pavia Pavia Italy
5. Brain MRI 3T Mondino Research Center, C. Mondino National Neurological Institute Pavia Italy