1 | National Institute of Public Health- National Institute of Hygiene, Department of Bacteriology, Warsaw, Poland |
2 | Pomeranian Medical University, Clinic of Infectious Diseases, Hepatology and Liver Transplantation, Szczecin, Poland |
3 | Medical University of Warsaw, Clinic of Pulmonology and Allergology of Children, Warsaw, Poland |
4 | Independent Public Provincial Hospital, Clinic of Observation Infectious and Tropical Diseases, Szczecin, Poland |
5 | Independent Public Central Clinical Hospital, Clinic of General Surgery and Chest Disease, Warsaw Poland |