1. Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122
2. Department of Chemistry, University of Wisconsin−Milwaukee, Milwaukee, Wisconsin 53201
3. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
4. Departments of Pharmacology
5. Analytical Chemistry
6. Department of Chemistry, Northeastern University, Boston, Massachusetts 02115
7. Department of Chemistry, University of Cincinnati, Cincinnati Ohio 45221-0172
8. Department of Chemistry, Illinois State University, Normal Illinois 61790-4160