1. Division of Pediatric Neurosurgery, Department of Neurosurgery, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas, USA
2. Pediatric Neurosurgery, University of Central Florida College of Medicine, Orlando, Florida, USA
3. Department of Neurological Surgery, Indiana University Health, Indianapolis, Indiana, USA
4. Department of Neurosurgery, Medical University of South Carolina (MUSC), Charleston, South Carolina, USA
5. Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
6. Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina, USA
7. Department of Neurosurgery, Stanford Medicine, Palo Alto, California, USA
8. Department of Neurological Surgery, Nicklaus Children's Hospital, Miami, Florida, USA
9. Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
10. Department of Neurosurgery, University of North Carolina Chapel Hill, Chapel Hill, North Carolina, USA
11. Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
12. Division of Pediatric Neurosurgery, Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
13. Department of Neurosurgery, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
14. Department of Pediatrics, Wright State University Boonshoft School of Medicine, Dayton, Ohio, USA