1. Department of Pharmaceutical Biology Faculty of Pharmacy University of Ljubljana Askerceva 7Ljubljana 1000Slovenia
2. Institute of Pathophysiology Medical faculty University of Ljubljana Zaloska 4Ljubljana 1000Slovenia
3. Department of Biology Biotechnical faculty University of Ljubljana Vecna pot 11Ljubljana 1000Slovenia
4. Department of Biotechnology Jožef Stefan Institute Jamova 39Ljubljana 1000Slovenia
5. Department of Neurochemistry Paul Flechsig Institute for Brain Research University of Leipzig Jahnallee 59Leipzig 04109Germany