1. Institute of Cytology, Russian Academy of Sciences, Tikhoretsky av., 4, St. Petersburg, Russia
2. Laboratory of Molecular Pharmacology, Saint-Petersburg Technological Institute, 26 Moskovsky Prospect, St. Petersburg, Russia
3. Division of Medical Microbiology, Department of Clinical and Experimental Medicine, Linköping University, SE-581 85 Linköping, Sweden
4. Department of Cancer Studies and Molecular Medicine, University of Leicester, RKCSB, LRI, Leicester, UK
5. MRC Toxicology Unit, Leicester, UK
6. Department of Biochemistry, University of Leicester, Lancaster Road, Leicester, UK