1. Hacettepe University Faculty of Medicine, Department of Internal Medicine, Ankara, Turkey;
2. Hacettepe University Faculty of Medicine, Department of Public Health, Ankara, Turkey;
3. Gazi University Faculty of Medicine, Department of Infectious Diseases, Ankara, Turkey;
4. Ankara Training and Research Hospital, Clinic of Infectious Diseases and Clinical Microbiology, Ankara, Turkey;
5. Gazi University Faculty of Medicine, Department of Pediatrics, Ankara, Turkey;
6. Hacettepe University Faculty of Medicine, Department of Pediatrics, Ankara, Turkey;
7. Ankara Hematology Oncology Children’s Training and Research Hospital, Pediatric Infectious Disease Department, Ankara, Turkey;
8. Hacettepe University Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Ankara, Turkey