1. Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
2. Department of Biochemistry and Cellular Biology, Kyungpook National University School of Medicine, Daegu, Korea.
3. Department of Orthopedic Surgery, Kyungpook National University School of Medicine, Daegu, Korea.
4. Department of Cell and Matrix Research Institute, Kyungpook National University School of Medicine, Daegu, Korea.