1. Nosocomial Infections and Antibiotic Resistance Laboratory , “Cantacuzino” National Medico-Military Institute for Research and Development , Bucharest , Romania
2. Molecular Epidemiology Laboratory , “Cantacuzino” National Medico-Military Institute for Research and Development , Bucharest , Romania
3. Suceava Public Health Directorate, Romania
4. National Institute of Public Health , Bucharest , Romania
5. Department of Microbiology , “Carol Davila” University of Medicine and Pharmacy , Bucharest , Romania