1. Division of Physiology, Kyushu Dental University , Fukuoka , Japan
2. Division of Orofacial Functions and Orthodontics, Kyushu Dental University , Fukuoka , Japan
3. Division of Endodontics and Restorative Dentistry, Kyushu Dental University , Fukuoka , Japan
4. Division of Biomaterials, Kyushu Dental University , Fukuoka , Japan