1. Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
2. Central Laser Facility, Research Complex at Harwell, Rutherford Appleton Laboratory, Didcot OX11 0QX, U.K.
3. School of Chemistry, University of East Anglia, Norwich NR4 7TJ, U.K.
4. Institut für Biochemie und Lebensmittelchemie, Universität Hamburg, Grindelallee 117, D-20146 Hamburg, Germany
5. TUM School of Natural Sciences, Technical University of Munich, 85747 Garching, Germany
6. The Hormel Institute, University of Minnesota, Austin, Minnesota 55912, United States
7. Department of Biophysics, Medical School, University of Pecs, Szigeti ut 12, 7624 Pecs, Hungary