1. Department of Biomedical Engineering, University of Wisconsin–Madison, Madison, Wisconsin.
2. Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin–Madison, Madison, Wisconsin.
3. Laboratory for Optical and Computational Instrumentation, University of Wisconsin–Madison, Madison, Wisconsin.
4. Department of Medical Physics, University of Wisconsin–Madison, Madison, Wisconsin.
5. Material Sciences Program, University of Wisconsin–Madison, Madison, Wisconsin.