Affiliation

• ¹ From the Departments of Neurology, Psychiatry and Radiology, Boston Children's Hospital, and Department of Neurology, Harvard Medical School, Boston, MA (M.J.R.); Division of Neurology, Department of Pediatrics, Hospital for Sick Children Toronto, Ontario, Canada (G.d.V.); The Children's Hospital of Philadelphia, Departments of Neurology and Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia (R.N.I.); Department of Neurology, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada Alberta Children's Hospital (A.K.) and Department of Clinical Neurosciences and Hotchkiss Brain Institute (M.D.H.), University of Calgary, Alberta, Canada; Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada (A.C.); Dell Children's Medical Center and University of Texas at Austin College of Pharmacy (C.A.H.); BloodCenter of Wisconsin and Department of Pediatrics (J.C.G.) and Division of Biostatistics (A.S.), Medical College of Wisconsin, Milwaukee; Center for Integrated Brain Research, Seattle Children's Research Institute, WA (K.S.); and Seattle Children's Hospital, Department of Neurology, University of Washington, Seattle (C.A.-L.).