About the Authors

Herbert P. Schweizer

Affiliation Department of Microbiology, Immunology, and Pathology, IDRC at Foothills Campus, Colorado State University, Fort Collins, Colorado, United States of America

Kyoung-Hee Choi

kheechoi@wku.ac.kr

Affiliation Department of Oral Microbiology, College of Dentistry, Wonkwang University, Iksan, Chonbuk, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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.