1. School of Dental Sciences, Universiti Sains Malaysia
2. Department of Gerodontology, School of Dentistry, Aichi Gakuin University
3. Department of Periodontology, School of Dentistry, Aichi Gakuin University
4. Medical Corporate Group Kofukukai
5. Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
6. Orthodontic Department, College of Dentistry, Al Jouf University