1. Department of Obstetrics-Gynecology and Neonatology, University of Medicine and Pharmacy “Victor Babeș”, 300041 Timisoara, Romania
2. Department of Neonatology, “Louis Țurcanu” Children Emergency Clinical Hospital Timișoara, 300011 Timisoara, Romania
3. Department of Neonatology, Première Hospital, Regina Maria Health Network, 300645 Timisoara, Romania
4. Department of Health Evaluation and Promotion, Romanian National Public Health Institute, 300226 Timisoara, Romania
5. Neonatology Department, Clinical Hospital of Obstetrics and Gynecology, 060251 Bucharest, Romania
6. Faculty of Midwifery and Nursery, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania