1. Department of Neurology, Brigham Multiple Sclerosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
2. Department of Psychiatry & Behavioral Medicine, Lahey Hospital & Medical Center (LHMC), Harvard Medical School, Burlington, MA, USA
3. Department of Social Work, Brigham and Women’s Health Care Center, Westwood, MA, USA
4. Department of Neuroscience, Georgia State University, Atlanta, GA, USA
5. Emory University, Atlanta, GA, USA