1. Department of Chemistry and Physical Sciences, Quinnipiac University, Hamden, Connecticut 06518, United States
2. Division of Foundational Education and Health Professions, Aultman College, Canton, Ohio 44710, United States
3. Department of Mathematics, Quinnipiac University, Hamden, Connecticut 06518, United States
4. Department of Chemistry, Adelphi University, Garden City, New York 11530, United States