1. Department of Dental Hygiene, Hanseo University
2. Department of Preventive and Social Dentistry, School of Dentistry, Kyung Hee University
3. Tooth and Periodontal Tissue Regeneration (MRC), Department of Maxillofacial Tissue Regeneration, School of Dentistry, Kyung Hee University
4. Department of Oral Health, Post Graduate School of Health & Welfare, Dankook University
5. Department of Conservative Dentistry, Hallym Hospital, Hallym University