1. Department of Biology, College of Natural Science, Chosun University, Gwangju 61452, Republic of Korea
2. BK21 FOUR Education Research Group for Age-Associated Disorder Control Technology, Department of Integrative Biological Science, Chosun University, Gwangju 61452, Republic of Korea
3. Department of Veterinary Anatomy, College of Veterinary Medicine and BK21 FOUR Program, Chonnam Natioanal University, Gwanjgu 61186, Republic of Korea
4. Department of Biomedical Engineering, College of Medicine, Dankook University, Cheonan 31116, Republic of Korea
5. Department of Otolaryngology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea