1. Department of Molecular Science and Technology, Ajou University, Suwon, Korea.
2. Research Institute for Medical Sciences, Inha University College of Medicine, Incheon, Korea.
3. Department of Orthopaedic Surgery, School of Medicine, Ajou University, Suwon, Korea.
4. Department of Physiology, Inha University College of Medicine, Incheon, Korea.