1. Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
2. School of Stomatology, Dalian Medical University, Dalian, China
3. Department of Prosthodontics, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
4. Department of Applied Prosthodontics, Nagasaki University, Nagasaki, Japan
5. Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Surabaya, Indonesia