1. Division of Oral Biology, Tufts University School of Dental Medicine, Boston, Massachusetts.
2. Shandong Provincial Key Lab of Oral Biomedicine, Jinan, China.
3. Guangdong Provincial Stomatological Hospital, Guangzhou, China.
4. Department of Periodontology, School of Stomatology, Shandong University, Jinan, China.
5. Department of Biomedical Engineering, Tufts University, Medford, Massachusetts.
6. Cancer Preventive Material Development Research Center (CPMDRC) and Institute, College of Oriental Medicine, Kyung Hee University, Seoul, Korea.
7. Department of Anatomy and Cell Biology, Tufts University School of Medicine, Sackler School of Graduate Biomedical Sciences, Boston, Massachusetts.