1. Department of General Internal Medicine and Rheumatology, Nagasaki Medical Center, Kubara 2-1001-1, Omura 856-8562, Japan
2. Department of Pathology, Nagasaki Medical Center, Kubara 2-1001-1, Omura 856-8562, Japan
3. Department of Ophthalmology, Nagasaki Medical Center, Kubara 2-1001-1, Omura 856-8562, Japan
4. Department of Otolaryngology, Nagasaki Medical Center, Kubara 2-1001-1, Omura 856-8562, Japan
5. Department of Rheumatology, Nagasaki University Hospital, Sakamoto 1-7-1, Nagasaki 852-8501, Japan