1. Division of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Helsinki, P.O. Box 56 (Viikinkaari 5 E), FI-00014 University of Helsinki, Finland
2. Pharmaceutical Sciences, Department of Biosciences, Åbo Akademi University, Biocity, Artillerigatan 6 A, FI-20520 Turku, Finland
3. Institute of Medical Microbiology, Hygiene and Infectious Diseases, PMU University Hospital Salzburg, Muellner Hauptstrasse 48, A-5020 Salzburg, Austria
4. Division of Pharmaceutical Biology, Faculty of Pharmacy, University of Helsinki, P.O. Box 56 (Viikinkaari 5 E), FI-00014 University of Helsinki, Finland