About the Authors

Huping Xue

Affiliations Department of Animal Science, McGill University, Montreal, Quebec, Canada, State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China

Hong Lu

Affiliation State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China

Xin Zhao

xin.zhao@mcgill.ca

Affiliation Department of Animal Science, McGill University, Montreal, Quebec, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HX HL XZ. Performed the experiments: HX. Analyzed the data: HX XZ. Wrote the paper: HX XZ.