1. Institute of Polymer Science and Engineering, National Taiwan University, Roosevelt Road No. 1, Sec. 4, 10617 Taipei, Taiwan
2. Department of Civil Engineering, College of Engineering, National Taiwan University, Roosevelt Road No. 1, Sec. 4, 10617 Taipei, Taiwan
3. Department of Biomedical Engineering, College of Engineering, National Taiwan University, Roosevelt Road No. 1, Sec. 4, 10617 Taipei, Taiwan
4. Institute of Applied Mechanics, College of Engineering, National Taiwan University, Roosevelt Road No. 1, Sec. 4, 10617 Taipei, Taiwan