1. Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
2. Department of Orthodontics, Tokyo Dental College, Tokyo, Japan
3. Department of Orthodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
4. Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan
5. Division of Orthodontics, Department of Human Development and Fostering, Meikai University School of Dentistry, Saitama, Japan
6. Oji Minoura Orthodontics, Kita-ku, Tokyo, Japan
7. Mitsuba Ortho Supply Co, Ltd, Toshima-ku, Tokyo, Japan
8. Nomura Orthodontic Office, Komae-city, Tokyo, Japan
9. Soya Orthodontic Office, Aoba-ku, Sendai, Japan
10. Yuzu Dental Clinic, Kita-ku, Nagoya, Japan
11. Department of Orthodontics, Nihon University School of Dentistry, Tokyo, Japan