1. Section of Clinical Rheumatology, Sakurajyuji Hospital, Kumamoto, Japan;
2. Section of Nephrology, Sakurajyuji Hospital, Kumamoto, Japan;
3. Section of Cardiology, Sakurajyuji Hospital, Kumamoto, Japan;
4. Section of Gastroenterology, Saiseikai Kumamoto Hospital, Kumamoto, Japan;
5. Section of Clinical Pathology, Saiseikai Kumamoto Hospital, Kumamoto, Japan