Institution: | (1) Department of Endodontology and Operative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812–8582, Japan;(2) Department of Occupational Therapy, School of Health Science, Kibi International University, Takahashi Okayama, 716-8508, Japan |