1. Department of Pediatrics and Adolecent Medicine Copenhagen University Hospital Hvidovre Copenhagen Denmark
2. Department of Public Health, Section for Nursing University of Aarhus Aarhus Denmark
3. Department of Aalborg University Library Aalborg University Aalborg Denmark
4. Department of Nursing University College Lillebaelt Svendborg Denmark
5. Department of Neonatology Copenhagen University Hospital Rigshospitalet Copenhagen Denmark