1. Center for Rheumatic Diseases, Matsuyama Red Cross Hospital , Matsuyama, Ehime, Japan
2. Department of Neurology, Matsuyama Red Cross Hospital , Matsuyama, Ehime, Japan
3. Department of Radiology, Matsuyama Red Cross Hospital , Matsuyama, Ehime, Japan
4. Department of Ophthalmology, Matsuyama Red Cross Hospital , Matsuyama, Ehime, Japan
5. Clinical Training Center, Matsuyama Red Cross Hospital , Matsuyama, Ehime, Japan
6. Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine , Toon, Ehime, Japan