1. Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
2. Department of Biology, University of Fribourg, 1700 Fribourg, Switzerland
3. Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, NIH, Bethesda, Maryland 20892, United States
4. Biophysics Graduate Program, University of Maryland, College Park, Maryland 20742, United States
5. Biological Physics Group, Physics Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
6. Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minnesota 55455, United States
7. Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland 20742, United States