1. Department of Neurosurgery Medical University of Vienna Vienna Austria
2. Department of Clinical Neuroscience Institute of Neuroscience and Physiology The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
3. Department of Neurosurgery Sahlgrenska University Hospital Gothenburg Sweden
4. Center for Functional and Restorative Neurosurgery University of Pennsylvania Philadelphia PA USA
5. Division of Neurosurgery University of Alabama at Birmingham School of Medicine Birmingham AL USA
6. Department of Neurosurgery University of Utah School of Medicine Salt Lake City UT USA
7. Department of Neurosurgery Yale University School of Medicine New Haven CT USA
8. Department of Neurosurgery University of Erlangen Erlangen Germany
9. Division of Pediatric Neurosurgery The Hospital for Sick Children University of Toronto Toronto Ontario Canada
10. Department of Neurosurgery and Neurology Thomas Jefferson University Philadelphia PA USA
11. Neurology and Neurosurgery Clinic Sao Paulo Clinica Neurologica Cukiert Sao Paulo Brazil