1. Department of Orthopedics, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
2. Institute of Polymer Science and Engineering, College of Engineering, National Taiwan University, Taipei, Taiwan
3. Epithelial Biology Laboratory/Transgenic Mice Core-Laboratory, Department of Anatomy, Chang Gung University, Taoyuan, Taiwan
4. Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei, Taiwan
5. Department of Chemical and Materials Engineering, College of Engineering, National Ilan University, Ilan, Taiwan