1. Assistant Professor, Department of Dentistry, College of Medicine, Keimyung University, Korea.
2. Clinical Full Time Lecturer, Department of Dentistry, College of Medicine, Keimyung University, Korea.
3. Professor, Department of Dentistry, College of Medicine, Keimyung University, Korea.
4. Associate Professor, Department of Neurology, College of Medicine, Keimyung University, Korea.
5. Associate Professor, Department of Family Medicine, College of Medicine, Keimyung University, Korea.
6. Associate Professor, Department of Otolaryngology, College of Medicine, Keimyung University, Korea.
7. Assistant Professor, Department of Occupational & Environmental Medicine, College of Medicine, Inha University, Korea.
8. Associate Professor, Department of Orthodontics, College of Dentistry, Kyungpook National University, Korea.