1. Ann Romney Center for Neurologic Diseases; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
2. Medical Image Analysis Center; University Hospital Basel; Switzerland
3. Laboratory for Neuroimaging Research; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
4. Departments of Neurology; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
5. Partners Multiple Sclerosis Center; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
6. and Radiology; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA