1. Drug
Research Program, Division of Pharmaceutical Chemistry and Technology,
Faculty of Pharmacy, University of Helsinki, P.O. Box 56, Viikinkaari 5 E, FI-00014 Helsinki, Finland
2. Department
of Biology, University of Turku, Vesilinnantie 5, FI-20014 Turku, Finland
3. Health
Sciences Research Centre, University of Beira Interior, Av. Infante
D. Henrique, 6200-506 Covilhã, Portugal
4. Technische
Universität Chemnitz, Fakultät für Naturwissenschaften, Institut für Chemie, D-09107 Chemnitz, Germany
5. Centre for Neuroscience and Cell Biology, 3004-504 Coimbra, Portugal