1. Department of Occlusal and Oral Functional Rehabilitation; Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama University; Okayama Japan
2. Department of Speech-Language-Hearing Therapy; Rehabilitation Center; Kawasaki Medical School Hospital; Kurashiki Japan
3. Oisaka Electronic Device Ltd; Fukuyama Japan
4. Department of Sensory Science; Faculty of Health Science and Technology; Kawasaki University of Medical Welfare; Kurashiki Japan
5. Kawasaki University of Medical Welfare; Kurashiki Japan