1. Department of Chemistry and Biochemistry, Brigham Young University, C100 BNSN, Provo, Utah 84602
2. Casa Software Ltd., Bay House, Teignmouth, United Kingdom
3. Department of Chemistry, University of Washington, Seattle, Washington 98195
4. Illinois Institute of Technology, 3101 S. Dearborn St., Chicago, Illinois 60616
5. CNRS, Institut des Matériaux Jean Rouxel, IMN, Université de Nantes, F-44000 Nantes, France
6. Physical Electronics, 18725 Lake Drive East, Chanhassen, Minnesota 55317