1. NERC Centre for Ecology & Hydrology; Bush Estate Edinburgh EH26 0QB UK
2. Faculty of Agriculture; Institute of Economics and Rural Development; University of Szeged; 6800 Hódmezővásárhely, Andrássy út 15 Szeged Hungary
3. Department of Clinical and Experimental Medicine; University of Parma; Via Gramsci; 14, 43126 Parma Italy
4. Department of Medical Prevention, Public Health; Local Health Authority of Milan 1; Parabiago Milan Italy
5. Department of Aerobiological Monitoring; National Institute of Environmental Health; Gyáli út 2-6 1097 Budapest Hungary
6. Vinnitsa National Pirogov Memorial Medical University; Pyrohova St, 56 Vinnitsa Vinnyts'ka oblast Ukraine 21000
7. BioSense Institute - Research Institute for Information Technologies in Biosystems; University of Novi Sad; Zorana Đinđića 1 Novi Sad Vojvodina 21101 Serbia
8. Department of Botany; Lublin University of Life Sciences; Akademicka 13 20-950 Lublin Poland
9. NERC Centre for Ecology & Hydrology; Maclean Building, Benson Lane, Crowmarsh Gifford Wallingford OX10 8BB UK