1. Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Japan
2. Department of Internal Medicine, Fukuoka Dental College, Japan
3. Division of Nephrology, Japanese Red Cross Fukuoka Hospital, Japan
4. Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Japan
5. Department of Integrated Therapy for Chronic Kidney Disease, Graduate School of Medical Sciences, Kyushu University, Japan