1. Department of Neurosurgery, Tokushima Prefectural Kaifu Hospital
2. Department of Internal and General Medicine, Tokushima Prefectural Kaifu Hospital
3. Department of Regional Neurosurgery, Tokushima University Hospital
4. Department of General Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School
5. Department of Neurosurgery, School of Medicine, The University of Tokushima