1. Section of Neurology, Children's Mercy Hospitals and Clinics, Kansas City, Missouri,
2. Section of Neurology, Children's Mercy Hospitals and Clinics, Kansas City, Missouri
3. Section of Health Outcomes and Health Services Research, Children's Mercy Hospitals and Clinics, Kansas City, Missouri
4. Section of Radiology, Children's Mercy Hospitals and Clinics, Kansas City, Missouri