1. Development Center for Evaluating Masticatory Function; Venture Business Laboratory; Office for University-Industry Collaboration; Osaka University; Osaka; Japan
2. Department of Prosthodontics, Gerodontology and Oral Rehabilitation; Osaka University Graduate School of Dentistry; Osaka; Japan
3. Nokubi Dental Clinic; Osaka; Japan
4. Yokota Dental Clinic; Osaka; Japan
5. Yamamoto Dental Clinic; Hyogo; Japan