1 Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.
2 Kagoshima City Hospital, Kagoshima, Japan.
3 Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan. kubozono@m.kufm.kagoshima-u.ac.jp.
4 Kagoshima Kouseiren Hospital, Kagoshima, Japan.
5 School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan.