1. Department of Physical Therapy, Faculty of Health Science Juntendo University Tokyo 3‐2‐12, Hongo, Bunkyo‐ku, Ochanomizu Centre Building 503 Tokyo 113‐0033 Japan
2. Department of Rehabilitation Sakakibara Heart Institute Tokyo Japan
3. Department of Rehabilitation Medicine Juntendo University Graduate School of Medicine Tokyo Japan
4. Department of Rehabilitation St. Luke's International Hospital Tokyo Japan
5. Department of Rehabilitation Mitsui Memorial Hospital Tokyo Japan
6. Department of Rehabilitation Ayase Heart Hospital Tokyo Japan