1. Department
of Chemistry and Biochemistry, The City College of the City University of New York, New York, New York 10031, United States
2. Ph.
D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
3. Department
of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 125261, United States
4. Department
of Physics, Chemistry and Biology, Linköping University, SE-581 83 Linköping, Sweden