1 Department of Rehabilitation, Toyohashi Heart Center, Toyohashi, Japan (Mr Iritani); Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan (Drs Adachi and Yamada); Department of Rehabilitation, Hirakata Kosai Hospital, Hirakata, Japan (Dr Iwatsu); Department of Hygiene and Public Health, Osaka Medical and Pharmaceutical University, Takatsuki, Japan (Dr Kamiya); Department of Rehabilitation, Kitano Hospital, Osaka, Japan (Dr Kamisaka). Dr Yamada is now at Department of Cardiology, Aichi Medical University, Nagakute, Japan.