1. Department of Oral Physiology, School of Dentistry, Kyungpook National University, Daegu, Korea
2. Advanced Dental Device Development Institute, School of Dentistry, Kyungpook National University, Daegu, Korea
3. Department of Physiology, College of Veterinary Medicine, Kyungpook National University, Daegu, Korea
4. Department of Anesthesiology and Pain Medicine, Keimyung University Dongsan Hospital, Keimyung University School of Medicine, Daegu, Korea