1. Department of Animal Science, Michigan State University, East Lansing, Michigan.
2. Department of Animal Science, University of California, Davis, California.
3. Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, Michigan.
4. Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan.
5. Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan.
6. Department of Physiology, Michigan State University, East Lansing, Michigan.
7. Programa Andaluz de Terapia Celular y Medicina Regenerativa, Andalucia, Spain.