1. Department of Cardiology, Chosun University Hospital, Gwangju, Korea.
2. Department of Cardiovascular Medicine, Chonnam National University Medical School, Gwangju, Korea.
3. Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Ochang, Korea.
4. Biomedical Research Institute, Chonnam National University Hospital, Gwangju, Korea.