1. Center for Engineering MechanoBiology, University of Pennsylvania, Philadelphia, PA 19104
2. Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104
3. Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104
4. Department of Biomedical Engineering, Yale University, New Haven, CT 06520
5. School of Engineering, Brown University, Providence, RI 02912
6. Department of Physiology, University of Pennsylvania, Philadelphia, PA 19104
7. Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104