1. Department of Animal Science, Institute for Systems Genomics, University of Connecticut, Storrs, Connecticut, USA
2. Shaanxi Centre of Stem Cells Engineering & Technology, Key Laboratory of Livestock Biology, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
3. Atomwise Inc., San Francisco, California, USA
4. Department of Pathobiology and Veterinary Sciences, University of Connecticut, Storrs, Connecticut, USA