[1] MIP Diagnost Ltd, Fielding Johnson Bldg, Leicester LE1 7RH, Leics, England
[2] Univ Leicester, Dept Canc Studies, Leicester LE1 7RH, Leics, England
[3] Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England
[4] Inst Cytol, Lab Gene Express & Regulat, St Petersburg 194064, Russia
[5] Almazov Natl Med Res Ctr, Inst Hematol, St Petersburg 197341, Russia
[6] UCL, Chem Dept, London WC1H 0AJ, England
[7] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia