1. Department of Cardiothoracic Surgery University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
2. University of Pittsburgh Medical Center Hillman Cancer Centers Pittsburgh Pennsylvania USA
3. McGowan Institute for Regenerative Medicine Pittsburgh Pennsylvania USA
4. Center for Bioethics and Medical Humanities Institute for Health and Equity, and Department of Emergency Medicine Medical College of Wisconsin Milwaukee Wisconsin USA
5. Arizona State University College of Health Solutions Phoenix Arizona USA
6. Association of American Medical Colleges Washington DC USA