1Department of Nephrology, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan

2Department of Internal Medicine, Tokyo Dental College, Ichikawa General Hospital, Chiba, 272-8583, Japan

*Correspondence: Kazuhiro Hasegawa, Department of Nephrology, Tokushima University Graduate School of Biomedical Sciences, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan, [email protected]