1. Department of Microbial Pathogenesis, University of Maryland – Baltimore, Dental School, 650 W. Baltimore Street, Baltimore, MD 21201, USA
2. Department of Restorative Dentistry and Periodontology, Ludwig Maximilian University of Munich, Goethestrasse 70, 80336 Munich, Germany
3. Graduate Program in Life Sciences, Molecular Microbiology and Immunology Program, University of Maryland – Baltimore, 660 W. Redwood Street, Baltimore, MD 21201, USA
4. Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Free University Amsterdam, Gustav Mahlerlaan 3004, 1081 LA Amsterdam, the Netherlands
5. Department of Immunology, Ruprecht Karls University Heidelberg, Im Neuenheimer Feld 305, 69120 Heidelberg, Germany
6. Division of Infectious Diseases, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, 1124 W. Carson St., Torrance, CA 90502, USA
7. Department of Microbiology and Immunology, School of Medicine, University of Maryland – Baltimore, 660 W. Redwood Street, Baltimore, MD 21201, USA
8. Department of Oncology and Diagnostic Sciences, Dental School, University of Maryland – Baltimore, 650 W. Baltimore Street, Baltimore, MD 21201, USA