1. Department of Microbiology and Virology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Katowice, Poland
2. Department of Epidemiology, National Institute of Public Health – National Institute of Hygiene, Warsaw, Poland
3. Department of Biopharmacy, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Katowice, Poland
4. Department of Infectious Diseases, Hepatology, and Acquired Immune Deficiencies, Wrocław Medical University, Wrocław, Poland
5. Outpatient Clinic for AIDS Diagnostics and Therapy, Specialistic Hospital in Chorzów, Chorzów, Poland
6. Department of Infectious Diseases, Jagiellonian University Medical College, Cracow, Poland
7. Department of Infectious Diseases and Hepatology, Medical University of Łódź, Łódź, Poland
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