1. Department of Biology and Microbiology, Riga Stradins University, LV-1007 Riga, Latvia
2. Department of Internal Diseases, Riga Stradins University, LV-1007 Riga, Latvia
3. Center of Nephrology, Pauls Stradins Clinical University Hospital, LV-1002 Riga, Latvia
4. Department of Surgery, Riga Stradins University, LV-1007 Riga, Latvia
5. Centre of Cardiac Surgery, Pauls Stradins Clinical University Hospital, LV-1002 Riga, Latvia
6. Joint Laboratory, Pauls Stradins Clinical University Hospital, LV-1002 Riga, Latvia
7. Department of Infection Prevention and Control, Pauls Stradins Clinical University Hospital, LV-1002 Riga, Latvia
8. Center for Infectious Diseases, Queen Astrid Military Hospital, B-1120 Brussels, Belgium
9. Laboratory for Molecular and Cellular Technology, Queen Astrid Military Hospital, B-1120 Brussels, Belgium
10. Institute of Radiology, Pauls Stradins Clinical University Hospital, LV-1002 Riga, Latvia