1. State Key Laboratory of Stem Cell and Reproductive Biology, Institute of ZoologyChinese Academy of Sciences Beijing China
2. University of Chinese Academy of Sciences Beijing China
3. CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of GenomicsChinese Academy of Sciences Beijing China
4. Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life SciencesShandong Normal University Jinan China
5. Department of Veterinary PathobiologyUniversity of Missouri Columbia Missouri