1. Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, United States
2. The Ph.D. Program in Chemistry, The Graduate Center, City University of New York, New York, New York 10016, United States
3. Department of Chemistry, University of North Dakota, Abbott Hall Room 425, 151 Cornell Street Stop 9024, Grand Forks, North Dakota 58202-9024, United States