About the Authors

Zhe Ma
Hui Zhang
Junxi Zheng
Yue Li
Li Yi
Hongjie Fan

fhj@njau.edu.cn

Affiliation College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China

Chengping Lu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZM HF CL. Performed the experiments: ZM HZ JZ YL. Analyzed the data: ZM HF. Contributed reagents/materials/analysis tools: ZM LY. Wrote the paper: ZM HF.