1. Department of Molecular Compound Physics, Centre for Physical Sciences and Technology, Saulėtekio Avenue 3, LT-10257 Vilnius, Lithuania
2. Biological Research Centre, Hungarian Academy of Sciences, Temesvári körút 62, 6726 Szeged, Hungary
3. Institute of Chemical Physics, Faculty of Physics, Vilnius University, Saulėtekio Avenue 9-III, LT-10222 Vilnius, Lithuania