1. Department of Cardiothoracic Surgery; University of Pittsburgh School of Medicine; Pittsburgh PA USA
2. University of Pittsburgh Cancer Institute; Pittsburgh PA USA
3. McGowan Institute of Regenerative Medicine; Pittsburgh PA USA
4. The American College of Clinical Pharmacology; Rockville MD USA
5. The UPMC Shadyside; Pittsburgh PA USA
6. The University of Tennessee Health Science Center; Memphis TN USA
7. Pfizer Inc.; Collegeville PA USA