1 Department of Neonatology and NICU, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
2 Radiology Department, Faculty of Medicine, Institute for Children and Adolescents Health Care of Vojvodina, University of Novi Sad, Novi Sad, Serbia.
3 Unit of Radiology, Ospedale S. Maria Delle Croci Ravenna, Ausl Romagna, Ravenna, Italy.
4 Department of Translational Medicine and for Romagna, University of Ferrara, Ferrara, Italy.