1. Department of Pediatrics; Keio University School of Medicine; Tokyo Japan
2. Department of Medical and Surgical Sciences for Children and Adults; University of Modena and Reggio Emilia; Modena Italy
3. Division of Neonatal Perinatal Medicine, Department of Pediatrics; Dalhousie University & IWK Health Centre; Halifax Canada
4. ITS; Cochrane Central Executive; Copenhagen Denmark
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