1. Advanced Research Center for Green Materials Science and Technology and Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan
2. Graduate Institute of Oral Biology, School of Dentistry, and National Taiwan University Hospital, National Taiwan University, Taipei 106, Taiwan
3. Graduate Institute of Clinical Dentistry, School of Dentistry, and National Taiwan University Hospital, National Taiwan University, Taipei 106, Taiwan
4. Center for Biotechnology, National Taiwan University, Taipei 10617, Taiwan