1. Department of Life Science in Dentistry, School of Dentistry, Pusan National University, Yangsan 50612, Korea
2. Dental and Life Science Institute, Pusan National University, Yangsan 50612, Korea
3. Adult Stem Cell Research Center and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
4. Department of Otorhinolaryngology, Head and Neck Surgery, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
5. Department of Otorhinolaryngology-Head and Neck Surgery, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan 49241, Korea
6. Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203, USA
7. Department of Convergence Medicine, Pusan National University School of Medicine, Yangsan 50612, Korea
8. Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA