1. Division of Neonatology; Medical University Graz; Graz Austria
2. Neonatal intensive care unit; Fondazione IRCCS Policlinico San Matteo; Pavia Italy
3. Seattle Institute of East Asian Medicine; Seattle, Washington USA
4. Pediatrics; University of Vermont Medical Center; Burlington VT USA
5. Newborn Care; Royal Hospital for Women; Randwick Australia
6. Department of Pediatrics, Division of Neonatology; University of Alberta; Edmonton Canada
7. Paediatrics, Department of Clinical Sciences Lund; Lund University, Skåne University Hospital; Lund Sweden
8. Cochrane Sweden, Department of Research and Education; Lund University, Skåne University Hospital; Lund Sweden