1. Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, California 90095, United States
2. Section of Periodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, California 90095, United States
3. Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
4. California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
5. Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
6. Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
7. Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, California 90095, United States
8. Terasaki Institute for Biomedical Innovation, Los Angeles, California 90049, United States
9. Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States