About the Authors

Weerayuth Kittichotirat

Affiliation Department of Microbiology, University of Washington, Seattle, Washington, United States of America

Roger E. Bumgarner

Affiliation Department of Microbiology, University of Washington, Seattle, Washington, United States of America

Sirkka Asikainen

Affiliation Department of Surgical Sciences, Periodontology, Kuwait University, Kuwait City, Kuwait

Casey Chen

ccchen@hsc.usc.edu

Affiliation Division of Periodontology, Diagnostic Sciences and Dental Hygiene, Herman Ostrow School of Dentistry of the University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RB SA CC. Performed the experiments: WK RB CC. Analyzed the data: WK RB CC. Contributed reagents/materials/analysis tools: WK RB SA CC. Wrote the paper: WK CC.