Polyclinical Department;
Botkin's Infectious Disease Hospital;
St-Petersburg 195067;
Russia;
Chronic Viral Infectious Disease Lab;
Institute of Experimental Medicine;
St-Petersburg 197376;
Russia;
Institute for Systems Theory;
University of Stuttgart;
Stuttgart 70569;
Baden-Wurttemberg;
Germany;
Faculty of Biomedical Sciences;
Almazov National Medical Research Centre;
St-Petersburg 197341;
Russia;
Department of Molecular Microbiology;
Institute of Experimental Medicine;
St-Petersburg 197376;
Russia;
Botkin's Infectious Disease Hospital;
St-Petersburg 195067;
Russia;
Chronic hepatitis B; Hepatitis B viral load; Pregnancy; Antiviral treatment; Newborns; Mother-to-child transmission;