1. Department of Dentistry; National Yang-Ming University; Taipei Taiwan
2. Department of Biomedical Engineering; Orthopaedic Device Research Center; National Yang-Ming University; Taipei Taiwan
3. Department of Chemical Engineering and Biotechnology & Institute of Chemical Engineering; National Taipei University of Technology; Taipei Taiwan
4. Division of Medical Engineering Research; National Health Research Institutes; Miaoli Taiwan
5. Department of Medical Research; Mackay Memorial Hospital; Taipei Taiwan
6. School of Dentistry; National Yang-Ming University; Taipei Taiwan