1 From the Mayo Clinic Alix School of Medicine (L.L., A.Z.); and Department of Neurology (C.Y.I., R.P.C., R.M.), Mayo Clinic, Rochester, MN.
2 From the Mayo Clinic Alix School of Medicine (L.L., A.Z.); and Department of Neurology (C.Y.I., R.P.C., R.M.), Mayo Clinic, Rochester, MN. mustafa.rafid@mayo.edu.