1. Department
of Physics, City College of New York, The City University of New York, 160 Convent Avenue, New York, New York 10031, United States
2. Department
of Chemistry, Lehman College, The City University of New York, 250 Bedford Park Boulevard West, Bronx, New
York, New York 10468, United States
3. Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, California, California 92093-0736, United States