1. Department of Endocrinology, Metabolism, Rheumatology and Nephrology, Faculty of Medicine, Oita University, Yufu City, Oita 879-5593, Japan
2. Department of Diagnostic Pathology, Faculty of Medicine, Oita University, Yufu City, Oita 879-5593, Japan
3. Department of Urology, Faculty of Medicine, Oita University, Yufu City, Oita 879-5593, Japan
4. Department of Clinical Research Pathology Division, Department of Diagnostic Pathology, National Hospital Organization Hakodate Hospital, Hakodate 041-8512, Hokkaido, Japan