1. Department of Cardiology, Shinjuku Mitsui Building Clinic
2. Faculty of Medical Science Technology, Morinomiya University of Medical Sciences
3. Department of Medical Informatics and Biomedical Engineering, Shiga University of Medical Science
4. Department of Precision Engineering, The University of Tokyo
5. Department of Cardiology, Nagano Hospital, Soja, Japan.
6. Health Promotion Division, Toyota Autobody Co. Ltd.
7. Medical Device Development and Regulation Research Center, The University of Tokyo