1. Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
2. Department of Ophthalmology, Children’s Memorial Health Institute, Warsaw, Poland
3. Department of Ophthalmology, Children’s Jan Bogdanowicz Hospital, Warsaw, Poland
4. Department of Infectious and Tropical Diseases and Hepatology, Medical University of Warsaw, Warsaw, Poland
5. Department of Immunology, Transplantology, and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
6. Department of Descriptive and Clinical Anatomy, Warsaw Medical University, Warsaw, Poland
7. National Influenza Center NIPH-PZH, Warsaw, Poland