1. Department of Neurology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan
2. Department of Clinical Neuroscience and Therapeutics Hiroshima University Graduate School of Biomedical and Health Sciences Hiroshima Japan
3. Department of Ophthalmology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan
4. Department of Neurology and Geriatrics Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
5. Department of Neurology Hiroshima Teishin Hospital Hiroshima Japan
6. Department of Neurology Brain Attack Center Ota Memorial Hospital Fukuyama Japan