1. Department of Neurosurgery, Soonchunhyang University College of Medicine, Bucheon, Korea.
2. Certification Committee of Society of Korean Endovascular Neurosurgeons, Korea.
3. Department of Neurosurgery, Soonchunhyang University College of Medicine, Seoul, Korea.
4. Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
5. Department of Neurosurgery, Soonchunhyang University College of Medicine, Cheonan, Korea.
6. Department of Neurosurgery, Daegu Catholic University School of Medicine, Daegu, Korea.
7. Department of Neurosurgery, Korea University College of Medicine, Ansan, Korea.
8. Department of Neurosurgery, The Catholic University of Korea College of Medicine, Bucheon, Korea.
9. Department of Neurosurgery, Seoul National University College of Medicine, Seongnam, Korea.