1. Laboratory of Microbiology, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
2. 2nd Department of Pediatrics, AHEPA Hospital, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
3. Microbiology Department Hippokration General Hospital Thessaloniki Greece
4. Pediatric Clinic, General Hospital of Giannitsa Giannitsa Greece
5. 1st Department of Pediatrics Hippokration General Hospital Thessaloniki Greece
6. Infectious Disease Unit, 3rd Department of Pediatrics School of Medicine, Hippokration General Hospital Thessaloniki Greece
7. Microbiology Laboratory, AHEPA Hospital, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece