| Affiliation: | 1. Division of Oral Biology, Tufts University School of Dental Medicine, Boston, MA, USA;2. Department of Periodontology, School of Dentistry, Shandong University, Shandong, China;3. School of Dentistry, University of Missouri–Kansas City, Kansas City, MO, USA;4. Children's Hospital, Harvard Medical School, Boston, MA, USA;5. Department of Cell Biology, University of Massachusetts Medical School, Worcester, MA, USA;6. Department of Anatomy and Cell Biology, Tufts University School of Medicine, Boston, MA, USA |
