[1] Kobe Univ Hosp, Div Rehabil Med, Kobe, Hyogo, Japan
[2] Kobe Univ, Grad Sch Hlth Sci, Kobe, Hyogo 6540142, Japan
[3] Kobe Univ, Grad Sch Med, Dept Surg, Div Cardiovasc Surg, Kobe, Hyogo 6540142, Japan
[4] Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med, Kobe, Hyogo 6540142, Japan
[5] Kobe Univ, Grad Sch Med, Div Rehabil Med, Kobe, Hyogo 6540142, Japan