1. Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky.
2. Lexington VA Medical Center, Lexington, Kentucky.
3. Department of Immunology, Microbiology and Molecular Genetics, University of Kentucky, Lexington, Kentucky.
4. Stem Cell Biology Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky.
5. Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.
6. Department of Physiology, Pomeranian Medical University, Szczecin, Poland.