1. Department of Biomedical Engineering, Johns Hopkins University, Baltimore, United States
2. Department of Physiology, University of Maryland, Baltimore, United States
3. Department of Cardiology, Johns Hopkins University, Baltimore, United States
4. Department of Cell Biology, Johns Hopkins University, Baltimore, United States
5. Center for Cell Dynamics, Institute for Basic Biomedical Sciences, Johns Hopkins University, Baltimore, United States
6. Department of Physiology and Cellular Biophysics, College of Physicians and Surgeons, Columbia University, New York, United States