1. Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, NO-1433 Ås, Norway
2. Department of Pharmacy, Section for Pharmaceutical Chemistry, University of Oslo, P.O. Box 1068, 0316 Oslo, Norway
3. Department of Chemistry, Faculty of Natural Sciences, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
4. Ecole Centrale de Marseille, 13013 Marseille, France
5. Faculty of Health Sciences, Nord University, 8026 Bodø, Norway