Jongju Na Author

Hee-Jin Kim DDS, PhD 

       Professor, Yonsei University College of Dentistry

Kwan-Hyun Youn PhD 

  Professor, Incheon Catholic University Graduate School

Ji-Soo Kim MD, PhD

  Director, Dr Youth Clinic 

You-Soo Kim MD, PhD 

  CEO, YSBio Co., Ltd. 

Sung Ok Catherine Hong DMD PhD (ABD) 

Department of Oral and Maxillofacial Surgery

Kyung Hee University Hospital at Gangdong

Seoul, Korea (Republic of)

Jongju Na MD, PhD 

  CEO, Viol Co. Ltd.