1. Department of Medical Engineering, Faculty of Health Sciences; Junshin Gakuen University; Fukuoka Japan
2. Departments of; Emergency and Critical Care Medicine; Dentistry and Pharmaceutical Sciences; Okayama Japan
3. Community and Emergency Medicine; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; Okayama Japan
4. Department of; Cardiovascular Surgery; Okayama University Hospital; Okayama Japan
5. Biomedical Engineering; Okayama University of Science; Okayama Japan
6. Anesthesiology; Okayama University Hospital; Okayama Japan
7. Departments of Pediatrics, Surgery, and Bioengineering; Penn State Hershey Pediatric Cardiovascular Research Center; Hershey PA USA