1. Department of Neurology, Gunma University Graduate School of Medicine, Japan
2. Department of Ophthalmology, Gunma University Graduate School of Medicine, Japan
3. Shinmaebashi Kashima Oculoplastic Clinic, Japan
4. Department of Neurology, Shinozuka Hospital, Japan
5. Department of Medical Education, Showa University School of Medicine, Japan
6. Department of Diagnostic Pathology, Gunma University Graduate School of Medicine, Japan