1. Department of Environmental Geosciences University of Vienna Althanstrasse 14 (UZA II) 1090 Vienna Austria
2. Current address: Copernicus Institute of Sustainable Development Faculty of Geosciences Utrecht University Princetonlaan 8A 3584 CB Utrecht The Netherlands
3. Institute of Solid State Physics TU Wien Wiedner Hauptstrasse 8–10 1040 Vienna Austria
4. Institute of Pharmacology and Toxicology University of Veterinary Medicine, Vienna Veterinärplatz 1 1210 Vienna Austria