1. Center for Advanced Medical Innovation; Kyushu University; Fukuoka 812-8582 Japan
2. Department of Medical Course; Faculty of Health and Medical Science; Teikyo Heisei University; Tokyo 170-8445 Japan
3. Department of Advanced Medical Initiatives; Graduate School of Medical Sciences; Kyushu University; Fukuoka 812-8582 Japan
4. Department of Mechanical Engineering; Faculty of Engineering; Kyushu University; Fukuoka 819-0395 Japan