From the Department of Neurology (H.H.Z.-F., C.V.S., E.S., J.I., E.F.W., S.J.P., J.J.C., B.G.W., D.D., J.-M.T., M.T., E.P.F.), Department of Laboratory Medicine and Pathology (S.J.P., D.D., E.P.F.), Department of Ophthalmology (J.J.C.), and Division of Pulmonary and Critical Care Medicine (H.Y.), Mayo Clinic, Rochester, MN; Department of Neurology (D.M.W.), Mayo Clinic, Scottsdale, AZ; and Department of Neurology (S.L.-C.), Mayo Clinic, Jacksonville, FL. (At 2021-09-28)