1Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States, 2Biomedical Engineering, Cleveland Clinic, Cleveland, OH, United States, 3Radiology, Case Western Reserve University, Cleveland, OH, United States, 4Quantitative Health Sciences, Cleveland Clinic, Cleveland, OH, United States, 5Biogen, Boston, MA, United States, 6Mellen Center for Multiple Sclerosis Research and Treatment, Cleveland Clinic, Cleveland, OH, United States, 7Radiology, University Hospitals, Cleveland, OH, United States