1. Clinical Associate Professor, Dental Clinic Center, Pusan National University Hospital, Busan, Republic of Korea
2. Clinical Assistant Professor, Dental Clinic Center, Pusan National University Hospital, Busan, Republic of Korea
3. Associate Professor, Department of Periodontology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
4. Assistant Professor, Department of Periodontology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
5. Assistant Professor, Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea