1 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
2 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan. Electronic address: takaoku@med.nagoya-u.ac.jp.
3 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan; Department of CKD Initiatives Internal Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan.
4 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan; Department of Clinical Laboratory, Nagoya University Hospital, Nagoya, Japan.