1aFrom the Buffalo Neuroimaging Analysis Center, Department of Neurology (P.B., D.J., J.K., C.M., J.H., R.Z.)
2dDepartment of Electronics, Information and Bioengineering (L.P.), Politecnico di Milano, Milan, Italy
3eFondazione Don Carlo Gnocchi Organizzazione Non Lucrativa di Utilita' Sociae (L.P.), Milan, Italy.
4bJacobs MS Center, Department of Neurology (B.W.-G.)
5cCenter for Biomedical Imaging at Clinical Translational Science Institute (R.Z.), University at Buffalo, State University of New York, Buffalo, New York