1. Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, Urbana, Illinois 61801, United States
2. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 405 North Mathews Avenue, Urbana, Illinois 61801, United States
3. National High Magnetic Field Laboratory, Florida State University, 1801 East Paul Dirac Drive, Tallahassee, Florida 32310, United States
4. Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, Urbana, Illinois 61801, United States
5. Department of Chemistry, University of Illinois at Urbana-Champaign, 505 South Mathews Avenue, Urbana, Illinois 61801, United States
6. Neuroscience Program, University of Illinois at Urbana-Champaign, 405 North Mathews Avenue, Urbana, Illinois 61801, United States
7. Department of Bioengineering, University of Illinois at Urbana-Champaign, 1406 West Green Street, Urbana, Illinois 61801, United States