1. Newborn Intensive Care Unit, The University of Health Sciences, Dr Behçet Uz Children's Hospital, İzmir, Turkey
2. Stem Cell Department, Institute of Health Science, Ege University, Izmir, Turkey
3. Department of Pediatrics, The University of Health Sciences, Dr Behçet Uz Children's Hospital, Izmir, Turkey
4. Department of Medical Microbiology, The University of Health Sciences, Dr Behçet Uz Children's Hospital, Izmir, Turkey