About the Authors

Haili Zhang

Contributed equally to this work with: Haili Zhang, Fengguang Guo

Affiliation Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, United States of America

Fengguang Guo

Contributed equally to this work with: Haili Zhang, Fengguang Guo

Affiliation Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, United States of America

Guan Zhu

gzhu@cvm.tamu.edu

Affiliation Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GZ HZ FG. Performed the experiments: HZ FG. Analyzed the data: GZ HZ FG. Wrote the paper: GZ HZ FG.