1. Department
of Physics, Tampere University of Technology, PO Box 692, FI-33101 Tampere, Finland
2. Faculty
of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
3. Centre
for Drug Research, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
4. MEMPHYS—Center
for Biomembrane Physics, University of Southern Denmark, DK-5230 Odense, Denmark