1. Regenerative Biology Laboratory, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana.
2. Department of Animal Physiology, University of Warmia and Mazury, Olsztyn, Poland.
3. Stem Cell Biology Laboratory, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana.
4. LSU Flow Cytometry Facility, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana.