1. Institute of Polymer Science and Engineering, College of Engineering; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
2. Department of Chemical Engineering, College of Engineering; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
3. Department of Orthopedics; National Taiwan University Hospital and National Taiwan University College of Medicine; No. 1, Jen-Ai Road Taipei 10018 Taiwan
4. Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; No. 100, Shih-Chuan 1st Road Kaohsiung 80708 Taiwan