1. Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht University, University Medical Center Utrecht, Utrecht, the Netherlands
2. Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, the Netherlands
3. Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Amsterdam, the Netherlands
4. Department of Neurosurgery, the Jikei University School of Medicine, Tokyo, Japan
5. Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland
6. Institute of Clinical Medicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
7. Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
8. Department of Neurosurgery, Institute of Neurological Science, Glasgow, United Kingdom
9. Division of Neuroradiology, Joint Department of Medical Imaging and Neurosurgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
10. Department of Surgical Neurology, Akita Cerebrospinal and Cardiovascular Center, Akita, Japan
11. Department of Advanced Neurosurgery, Ehime University Graduate School of Medicine, Toon City, Ehime, Japan
12. Department of Neurology, Haaglanden Medical Center, the Hague, the Netherlands
13. Clinical Neurosciences, University of Turku, Turku, Finland
14. Department of Neurosurgery, Neurocenter, Turku University Hospital, Turku, Finland
15. Department of Neurosurgery, Radboud University Medical Center, Nijmegen, the Netherlands
16. Department of Surgery, Prince of Wales Hospital, Hong Kong, China
17. Department of Imaging and Interventional Radiology, Basement, Yue Kong Pao Centre for Cancer and the Lady Pao Children’s Cancer Centre, Prince of Wales Hospital, Hong Kong, China
18. Department of Neurological Surgery, Nippon Medical School, Tokyo, Japan
19. Department of Neurosurgery, Kyorin University, Tokyo, Japan
20. Department of Neurosurgery, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany
21. Department of Radiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
22. Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, the Netherlands