1. Department
of Chemistry, University of Florida, 214 Leigh Hall, P.O. Box 117200, Gainesville, Florida 32611, United States
2. National High
Magnetic Field Laboratory, 1800 E.
Paul Dirac Dr., Tallahassee, Florida 32310, United States
3. Department of Biochemistry & Molecular Biology, University of Florida, P.O. Box 100245, Gainesville, Florida 32610, United States