1. Materials Science and Engineering Program, University of California at Riverside, 900 University Avenue, Riverside, California 92521, United States
2. Department of Bioengineering, University of California at Riverside, 900 University Avenue, Riverside, California 92521, United States
3. Microbiology Graduate Program, University of California at Riverside, 900 University Avenue, Riverside, California 92521, United States
4. Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, California 90007, United States
5. School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
6. Biomedical Sciences Program, School of Medicine, University of California at Riverside, 900 University Avenue, Riverside, California 92521, United States
7. Stem Cell Center, University of California at Riverside, 900 University Avenue, Riverside, California 92521, United States