Innovations (Phila) 2016 Jan-Feb;11(1):59-63; discussion 63
From the *Heart, Lung and Vascular Medicine Institute and †Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA USA; ‡Carmell Therapeutics Corporation, Pittsburgh, PA USA; and §Institute for Complex Engineered Systems, ∥Robotics Institute, and ¶Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA USA.