1. Department of Physical Medicine & Rehabilitation, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
2. School of Medicine, Department of Anatomy and Neurobiology, Kyung Hee University, Seoul, Republic of Korea
3. Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, School of Medicine, Graduate School, Kyung Hee University, Seoul, Republic of Korea
4. School of Medicine, Department of Radiology, Kyung Hee University, Seoul, Republic of Korea
5. School of Medicine, Department of Otorhinolaryngology–Head and Neck Surgery, Kyung Hee University, Seoul, Republic of Korea