1. Chemistry Department, Centre College, Danville, Kentucky 40422, United States
2. Fairfax County Public Schools, Falls Church, Virginia 22042, United States
3. Chemistry Department, University of New Hampshire, Durham, New Hampshire 03824, United States
4. Chemistry Department, University of Arkansas, Little Rock, Arkansas 72022, United States
5. Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States