1. Graduate Institute of Biomedical Materials and Tissue Engineering, College of Oral Medicine, Taipei Medical University, No. 250, Wu-Hsing Street, Taipei City 110, Taiwan
2. Division of Medical Engineering Research, National Health Research Institutes, No. 35, Keyan Road, Zhunan Town, Miaoli County 350, Taiwan
3. Department of Ophthalmology, Taipei Veterans General Hospital, No. 201, Section 2, Shipai Road, Beitou District, Taipei City 112, Taiwan
4. National Yang-Ming University, No. 155, Section 2, Linong Street, Taipei City 112, Taiwan
5. Institute of Biomedical Engineering, National Taiwan University, No. 1, Section 1, Ren-ai Road, Taipei City 100, Taiwan
6. Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, No. 666, Buzih Road, Taichung City 406, Taiwan
7. Graduate Institute of Medical Science, College of Medicine, Taipei Medical University, No. 250, Wu-Hsing Street, Taipei City 110, Taiwan