1. Department of Clinical Sciences Lund, Paediatrics; Lund University, Skåne University Hospital; Lund Sweden
2. Cochrane Sweden; Lund University, Skåne University Hospital; Lund Sweden
3. Department of Pediatrics, Faculty of Medicine and Health; Örebro University; Örebro Sweden
4. Cochrane Austria, Department for Evidence-based Medicine and Evaluation; Danube University Krems; Krems Austria
5. Division for Health Services; Norwegian Institute of Public Health; Oslo Norway
6. Division of Neonatal-Perinatal Medicine, Department of Pediatrics; Larner College of Medicine at the University of Vermont; Burlington Vermont USA