1. Department of Periodontology, School of Dentistry, Wonkwang University, Iksan, Jeonbuk, Republic of Korea
2. Clinical Lab for Innovative Periodontology, Department of Periodontology, School of Dentistry, Wonkwang University, Iksan, Jeonbuk, Republic of Korea
3. VISTA Institute for Therapeutic Innovations, Woodland Hills, CA, USA