1. Department of Physiology, College of Medicine, Dankook University, Cheonan, Republic of Korea
2. Department of Medical Laser, Graduate School, Dankook University, Cheonan, Republic of Korea
3. Medical Laser Research Center, College of Medicine, Dankook University, Cheonan, Republic of Korea
4. Department of Biochemistry, College of Medicine, Dankook University, Cheonan, Republic of Korea