Affiliation: | 1. Center for Nephrology and Urology, Division of Nephrology and Dialysis, The Tazuke Kofukai Medical Research Institute, Osaka, Japan;2. Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan;3. Division of Preventive Medicine, Kitano Hospital, The Tazuke Kofukai Medical Research Institute, Osaka, Japan;4. Division of Nephrology and Clinical Laboratories, University of Fukui Hospital, Fukui, Japan |