[1] St Lukas Clin Hosp, 46 Chugunnaya St, St Petersburg 194044, Russia
[2] St Petersburg Med & Social Inst Let, 72 Kondratievskiy Prospekt, St Petersburg 195271, Russia
[3] St Petersburg State Univ, 7-9 Univ Skaya Naerezhnaya, St Petersburg 199034, Russia
[4] Peter Great St Petersburg Polytechn Univ, Inst Biomed Syst & Biotechnol, 29 Polytech Skaya, St Petersburg 195251, Russia
[5] AA Smorodintsev Res Inst Influenza, 15-17 Prof Popova St, St Petersburg 197022, Russia
[6] IP Pavlov First St Petersburg State Med Univ, 6-8 Lva Tolstogo St, St Petersburg 197022, Russia
[7] VA Almazov Natl Med Res Ctr, 2 Akkuratova St, St Petersburg 197341, Russia