1. Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Gothenburg, Sweden
2. Department of Pharmacology, Sahlgrenska Academy, University of Gothenburg, 413 90 Gothenburg, Sweden
3. Università della Svizzera italiana (USI), Faculty of Biomedical Sciences, Euler Institute, Via G. Buffi 13, CH-6900 Lugano, Switzerland
4. Department of Bioinformatics and Chemical Communication, Research Institute in Semiochemistry and Applied Ethology, Quartier Salignan, 84400 Apt, France