1. Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
2. Biophysics Program, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
3. Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
4. Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
5. School of Music, Theatre & Dance, University of Michigan, Ann Arbor, Michigan 48103, United States