About the Authors
Department of Microbiology, Immunology, and Pathology, IDRC at Foothills Campus, Colorado State University, Fort Collins, Colorado, United States of America
Department of Oral Microbiology, College of Dentistry, Wonkwang University, Iksan, Chonbuk, South Korea
The authors have declared that no competing interests exist.
Conceived and designed the experiments: HP KC. Performed the experiments: KC. Analyzed the data: HP KC. Contributed reagents/materials/analysis tools: HP KC. Wrote the paper: HP KC.