1. Department of Medical Biology, Faculty of Medicine, Medical University – Plovdiv, Plovdiv, Bulgaria
2. Research Division of Molecular and Regenerative Medicine, Research Institute, Medical University – Plovdiv, Plovdiv, Bulgaria
3. Department of Medical Microbiology and Immunology “Prof. Dr. Elissay Yanev”, Faculty of Medicine, Medical University – Plovdiv, Plovdiv, Bulgaria
4. Laboratory of Microbiology, University Hospital St. George, Plovdiv, Bulgaria
5. Research Division of Innovative Diagnostic Methods, Research Institute, Medical University – Plovdiv, Plovdiv, Bulgaria
6. Department of Infectious Diseases, Parasitology and Tropical Medicine, Faculty of Medicine, Medical University – Plovdiv, Plovdiv, Bulgaria