1. Neonatal-Perinatal Medicine; Norton Children's Neonatology, affiliated with the University of Louisville School of Medicine; Louisville Kentucky USA
2. Sarajevo Bosnia and Herzegovina
3. Neonatal Intensive Care Unit, Department Mother and Child; IRCCS Istituto Giannina Gaslini; Genoa Italy
4. Cochrane Neonatal Group; Halifax Canada
5. Division of Neonatal-Perinatal Medicine, Department of Pediatrics; Larner College of Medicine at the University of Vermont; Burlington Vermont USA
6. Paediatrics, Department of Clinical Sciences Lund; Lund University, Skåne University Hospital; Lund Sweden
7. Cochrane Sweden, Department of Research and Education; Lund University, Skåne University Hospital; Lund Sweden