1. Seoul National University,Dept. of Applied Bioengineering, GSCST,Seoul,South Korea
2. AI Engineering Team, LG CNS,Seoul,South Korea
3. Seoul National University,Dept. of Biomedical Radiation Sciences, GSCST,Seoul,South Korea
4. Hansung University,Dept. of Electronics and Information Engineering,Seoul,South Korea
5. Seoul National University,School of Dentistry,Dept. of Oral and Maxillofacial Radiology and Dental Research Institute,Seoul,South Korea
6. Seoul National University,School of Dentistry,Dept. of Oral and Maxillofacial Surgery and Dental Research Institute,Seoul,South Korea
7. Seoul National University,Dept. of Oral and Maxillofacial Radiology, School of Dentistry, and Dept. of Applied Bioengineering, GSCST,Seoul,South Korea