1. Division of Diabetes and Endocrinology, Hyogo Prefectural Kakogawa Medical Center, Japan
2. Division of Rheumatology, Hyogo Prefectural Kakogawa Medical Center, Japan
3. Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Japan
4. Division of Pathology, Hyogo Prefectural Kakogawa Medical Center, Japan