Affiliation: | 1.Department of Nephrology, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Ten-oudai, Tsukuba, Ibaraki, 305-8575, Japan ;2.Division of Nephrology and Hypertension, Department of Internal Medicine, Iwate Medical University School of Medicine, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate, 028-3694, Japan ;3.Clinical Research Support Center, Nakamura Clinic, 4-2-1 Iso, Urasoe, Okinawa, 901-2132, Japan ; |