1 Department of Clinical Neuroscience (M.P., F.H., K.P., P.S.), Karolinska Institutet; Department of Neurology (M.P., P.S.); Department of Clinical Genetics (B.T., D.N.), Karolinska University Hospital; Department of Molecular Medicine and Surgery (B.T., D.N.); Center for Hematology and Regenerative Medicine (S.E., C.E., E.H.-L.), Department of Medicine, Karolinska Institutet; Department of Pediatric Radiology (F.H.); Department of Neurophysiology (K.P.); Department of Hematology (E.H.-L., Y.T.B.); Department of Immunology and Transfusion Medicine (Y.T.B.), Karolinska University Hospital, Stockholm, Sweden; and Broegelmann Laboratory (Y.T.B.), Department of Clinical Sciences, University of Bergen, Norway.