1. Unit of Neonatology and Intensive Care, General Hospital, University of Bari, Bari, Italy
2. Research Section, Doctors with Africa CUAMM, Padova, Italy
3. Gynaecology and Obstetrics Unit, General Hospital, University of Bari, Bari, Italy
4. Research Section, Doctors with Africa CUAMM, Beira, Mozambique