1. Department of Natural Sciences, Baruch College of the City University of New York,
17 Lexington Avenue, New York, New York 10010, United States
2. Department of Chemistry, Queensborough Community College of the City University of New York, 222-05 56th Avenue, Bayside, New York 11364, United States
3. Department of Chemistry and Biochemistry, Queens College of the City University of New York,
65-30 Kissena Boulevard, Flushing, New York 11367, United States