1. Department of Molecular Medicine and Radiology, Kyungpook National University College of Medicine, Daegu, Korea.
2. Department of Rehabilitation Medicine, Kyungpook National University College of Medicine, Daegu, Korea.
3. Department of Radiology, Dankook University College of Medicine, Cheonan, Korea.
4. Department of Rehabilitation Medicine, Dankook University College of Medicine, Cheonan, Korea.
5. Department of Nanobiomedical Science and WCU Research Center of Nanobiomedical Science, Dankook University, Cheonan, Korea.
6. Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Korea.