1. Department of Pharmacy, University of Copenhagen, Universitetsparken 2, Copenhagen E DK-2100, Denmark
2. BioCeV - Institute of Microbiology of the CAS, Prumyslova 595, CZ-252 50 Vestec, Czech Republic
3. Faculty of Science, Charles University, Hlavova 8, CZ-128 20 Prague, Czech Republic
4. Laboratory for Membrane Protein Dynamics, Department of Neuroscience, University of Copenhagen, Blegdamsvej 3, Copenhagen N DK-2200, Denmark