1. Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
2. Institute for Chemical Research (CSIC-US), C/Américo Vespucio 49, E-41092 Seville, Spain
3. Faculty of Chemistry and Pharmacy, University of Regensburg, Universitaetstrasse 31, 93053 Regensburg, Germany
4. St. Petersburg State University, Universitetskij pr. 26, 198504 St. Petersburg, Russian Federation
5. Department of Physics, St. Petersburg State University, Ulyanovskaya st. 1, 198504 St. Petersburg, Russian Federation