1. Kyushu University,Faculty of Dental Science,Fukuoka,Japan
2. Jikei University of Health Care Sciences,Department of Clinical Engineering,Osaka,Japan
3. Graduate School of Engineering, Nagoya Institute of Technology,Nagoya,Japan
4. Hyogo College of Medicine,Department of Cardiovascular and Renal Medicine,Hyogo,Japan
5. Graduate School of Informatics, Osaka Metropolitan University,Osaka,Japan