1. Institute of Clinical Medicine; National Yang-Ming University; Taipei, Taiwan
2. Institute of Pharmacology; National Yang-Ming University; Taipei, Taiwan
3. Translational Medicine; Faculty of Medicine; National Yang-Ming University; Taipei, Taiwan
4. Stem Cell Laboratory; Department of Medical Research and Education; Taipei Veterans General Hospital; Taipei, Taiwan
5. Department of Orthopaedic and Traumatology; Taipei Veterans General Hospital; Taipei, Taiwan