1. Department of Cardiothoracic Surgery, Stanford University , Stanford, CA 94304 ; , Stanford, CA 94304
2. Department of Bioengineering, Stanford University , Stanford, CA 94304 ; , Stanford, CA 94304
3. Department of Cardiothoracic Surgery, Stanford University , Stanford, CA 94304
4. Department of Mechanical Engineering, Stanford University , Stanford, CA 94304 ; , Stanford, CA 94304
5. Department of Cardiothoracic Surgery, Stanford University , Stanford, CA 94304 ; , Leipzig 04289, Germany
6. University Department of Cardiac Surgery, Leipzig Heart Center , Stanford, CA 94304 ; , Leipzig 04289, Germany
7. Falk Cardiovascular Research Center Department of Cardiothoracic Surgery, Stanford University , MD 300 Pasteur Drive, Stanford, CA 94305 ; , Stanford, CA 94304
8. Department of Bioengineering, Stanford University , MD 300 Pasteur Drive, Stanford, CA 94305 ; , Stanford, CA 94304