Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Republic of Korea; Department of Physical Therapy, College of Rehabilitation, Daegu University, Daegu, Republic of Korea. Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Republic of Korea. Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoungnam-si, Gyeonggi-do, Republic of Korea. Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Republic of Korea. Electronic address: jeycho@snu.ac.kr.