[1] Odense Univ Hosp, Hans Christian Andersen Childrens Hosp, Odense, Denmark
[2] Univ Southern Denmark, Odense, Denmark
[3] Copenhagen Univ Hosp, Neonatal & Toddler Intens Care Unit, Rigshospitalet, Copenhagen, Denmark
[4] Reg Hosp Viborg, Dept Paediat, Viborg, Denmark
[5] Ctr Res Clin Nursing, Viborg, Denmark
[6] Univ Hosp Southern Denmark, Lillebaelt Hosp, Dept Paediat & Adolescent Med, Odence, Denmark
[7] Univ Southern Denmark, Inst Reg Hlth Res, Fac Hlth Sci, Odense, Denmark
[8] Aarhus Univ Hosp, Res Ctr Emergency Med, Emergency Dept, Aarhus, Denmark
[9] Aarhus Univ, Dept Clin Med, Aarhus, Denmark
[10] Aarhus Univ Hosp, Dept Paediat & Adolescent Med, Aarhus, Denmark
[11] Aalborg Univ Hosp, Clin Nursing Res Unit, Aalborg, Denmark
[12] Aalborg Univ Hosp, Dept Pediat, Clin Anesthesiol Child Dis Circulat & Women, Aalborg, Denmark
[13] Copenhagen Univ Hosp, Rigshospitalet, Dept Paediat & Adolescent Med, Copenhagen, Denmark
[14] Univ Copenhagen, Copenhagen, Denmark
[15] Univ Copenhagen, Hosp Amager Hvidovre, Dept Paediat & Adolescent Med, Copenhagen, Capital Region, Denmark
[16] Univ Copenhagen, Hosp Amager Hvidovre, Dept Gynecol & Obstet, Copenhagen, Capital Region, Denmark
[17] Aarhus Univ, Inst Publ Hlth, Dept Nursing Sci, Hlth, Aarhus, Denmark
[18] Copenhagen Univ Hosp, Rigshospitalet, Knowledge Ctr Breastfeeding Infants Special Needs, Interdisciplinary Res Unit,Dept Neonatol, Copenhagen, Denmark
[19] Univ Southern Denmark, Odense Univ Hosp, Hans Christian Andersen Childrens Hosp, Fac Hlth Sci,Dept Clin Res, Odense, Denmark