1. Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center, Department of Biomedical Engineering, University of California, Irvine, Irvine, California, United States
2. Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States
3. Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan, United States
4. School of Mathematics and Statistics, University of Glasgow, Glasgow, United Kingdom
5. Department of Mathematics, North Carolina State University, Raleigh, North Carolina, United States