1. Department of Pathology, University of Pittsburgh School of Medicine Pittsburgh Pennsylvania
2. McGowan Institute for Regenerative Medicine Pittsburgh Pennsylvania
3. Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet Stockholm Sweden
4. Department of Pharmacology, Toxicology and Therapeutics, Kansas University Medical Center Kansas City Kansas
5. Department of Biomedical Sciences, Section of Experimental Pathology, Unit of Experimental Medicine, University of Cagliari Cagliari Italy
6. Genetically Modified Models Center of Emphasis, Pfizer Groton Connecticut
7. Department of Biochemistry, University of Puerto Rico School of Medicine San Juan Puerto Rico