About the Authors

Youkyung Choi

Affiliation Division of Viral Hepatitis, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Hans-Peter Dienes

Affiliation Institute of Pathology, University of Cologne, Cologne, Germany

Kris Krawczynski

kzk1@cdc.gov

Affiliation Division of Viral Hepatitis, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC HPD KK. Performed the experiments: YC. Analyzed the data: YC HPD KK. Contributed reagents/materials/analysis tools: YC KK. Wrote the paper: YC KK.