1. Oral Biology Institute, School of Dentistry, Chosun University, Gwangju, Republic of Korea.
2. Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Republic of Korea.
3. The Division of Natural Medical Sciences, College of Health Science, Chosun University, Gwangju, Republic of Korea.
4. High-Tech Fiber R&D Headquarters, Korea Textile Development Institute (KTDI), Seo-gu, Daegu, Republic of Korea.
5. Department of Stomatology, The Affiliated Hospital of Yanbian University, Yanji, China.