1. Molecular Biophysics Division, Faculty of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
2. NanoBioMedical Center, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
3. Institute of Complex Systems (ICS-3), Forschungszentrum Jülich, D-52425 Jülich, Germany