1. Institute of General Botany, Johannes Gutenberg University Mainz Germany
2. Department of Chemistry and Biochemistry University of Denver Denver CO USA
3. Max Planck Institute for Chemistry Mainz Germany
4. Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology Karlsruhe Germany
5. Department of Biophysics and Ecological Researches, State Research Center for Virology and Biotechnology Vector, Koltsovo Novosibirsk Region Russia
6. Institute for Physics of the Atmosphere, Johannes Gutenberg University Mainz Germany