1. From Biogen Inc. (R.M.H., K.F., M.Y., E.H., K.C.E., D.G., L.M., J.B.), Cambridge, MA; Biogen Inc. (T.F.), Maidenhead, United Kingdom; Formerly Biogen Inc. at time of study (E.N., J.M.C., T.D.); Clario (D.S.), Princeton, NJ; Biospective Inc. (B.J.B.), Montreal, Quebec, Canada; Nucleus Global (K.M.K.), Atlanta, GA; Coeruleus Clinical Sciences LLC (J.M.C.), Woodbridge, CT; Department of Neurology (B.M.), University Medical Center, Göttingen and Paracelsus-Elena-Klinik, Kassel, and Scientific Employee...