1. Department of Chemistry; University of Wisconsin-Madison; Madison WI USA
2. Laboratory of Macromolecular System Engineering (LISM); Centre National de la Recherche Scientifique (CNRS); Aix-Marseille University; Marseille France
3. Department of Bacteriology; University of Wisconsin-Madison; Madison WI USA
4. Molecular Biophysics Program; University of Wisconsin-Madison; Madison WI USA