Authors
V. Velev
University Hospital for Infectious and Parasitic Diseases “Prof. Iv. Kirov,” Medical University of Sofia, Sofia, Bulgaria
K. Vutova
University Hospital for Infectious and Parasitic Diseases “Prof. Iv. Kirov,” Medical University of Sofia, Sofia, Bulgaria
T. Pelov
Department of Pediatric Urology, University Hospital for Emergency Medicine “Pirogov,”, Sofia, Bulgaria
I. Tsachev
Department of Microbiology, Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria