1. Department of Microbiology; University of Tartu; Tartu; Estonia
2. Laboratory of Clinical Microbiology; United Laboratories; Tartu University Hospital; Tartu; Estonia
3. Laboratory of Microbiology; Diagnostics Division; North Estonia Medical Centre; Tartu; Estonia
4. Pediatric Intensive Care Unit; Anaesthesiology and Intensive Care Clinic; Tartu University Hospital; Tartu; Estonia