1. Department of Neurosurgery, Nagoya University Graduate School of Medicine;
2. Focused Ultrasound Therapy Center, Nagoya Kyoritsu Hospital;
3. Nagoya Radiosurgery Center, Nagoya Kyoritsu Hospital;
4. Department of Neurosurgery, Kainan Hospital;
5. Department of Neurosurgery, Ichinomiya Municipal Hospital; and
6. Department of Neurology, Nagoya University Graduate School of Medicine, Aichi, Japan