1. James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio, USA, 45267-0514
2. Chemistry & Biochemistry, University of Missouri-St. Louis, 1 University Blvd., St. Louis, MO 63121, USA
3. Department of Chemistry, University of Cincinnati, OH 45267, USA
4. National Center for Computational Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
5. Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
6. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
7. Biology, University of Missouri-St. Louis, 1 University Blvd., St. Louis, MO 63121, USA