1. Institute of Theoretical Physics, Faculty of Physics, University of Warsaw , Pasteura 5, 02-093 Warsaw, Poland
2. University of Lethbridge, Dept. of Chemistry and Biochemistry , Alberta, T1K3M4, Canada
3. Department of Molecular Virology and Microbiology, Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Department of Pharmacology and Chemical Biology, Baylor College of Medicine, One Baylor Plaza , Houston, TX 77030, USA
4. Department of Biosciences, Rice University , 6100 Main St., Houston, TX 77005-1827, USA
5. Institute of Fundamental Technological Research, Polish Academy of Sciences , A. Pawińskiego 5B, 02-106 Warsaw, Poland
6. University of Montana, Department of Chemistry and Biochemistry , Missoula, MT 59812, USA