[1] Univ Turku, Dept Nursing Sci, Turku, Finland
[2] Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden
[3] McGill Univ, Ingram Sch Nursing, Montreal, PQ, Canada
[4] Jewish Gen Hosp, Ctr Nursing Res, Lady Davis Inst, Montreal, PQ, Canada
[5] Dalhousie Univ, Fac Hlth, Sch Nursing, Halifax, NS, Canada
[6] Dalhousie Univ, Dept Pediat, Halifax, NS, Canada
[7] Dalhousie Univ, Dept Psychol, Halifax, NS, Canada
[8] Dalhousie Univ, Dept Neurosci, Halifax, NS, Canada
[9] Vestre Viken Hosp Trust, Drammen Hosp, Dept Pediat & Adolescent Med, Drammen, Norway
[10] Poznan Univ Med Sci, Dept Neonatol, Neonatal Biophys Monitoring & Cardiopulm Therapie, Poznan, Poland
[11] Univ Amsterdam, Emma Childrens Hosp, IC Neonatol, Med Ctr, Amsterdam, Netherlands
[12] Copenhagen Univ Hosp, Dept Neonatol, Copenhagen, Denmark
[13] Clin Hosp Sveti Duh Zagreb, Dept Obstet & Gynecol, Zagreb, Croatia
[14] Univ Hosp Ctr Zagreb, Dept Transfus Med & Transplantat Biol, Div Breastfeeding Support, Human Milk Bank,Croatian Tissue & Cell Bank, Zagreb, Croatia
[15] Univ Iceland, Fac Nursing, Sch Hlth Sci, Reykjavik, Iceland
[16] Univ Sunshine Coast, Sch Nursing Midwifery & Paramed, Sippy Downs, Qld, Australia
[17] Univ Childrens Hosp, Neonatal Intens Care Unit, Uppsala, Sweden
[18] Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden
[19] Karolinska Univ Hosp, Dept Neonatol, Stockholm, Sweden
[20] Karolinska Inst, Dept Clin Sci Intervent & Technol, Stockholm, Sweden
[21] Turku Univ Hosp, Dept Pediat & Adolescent Med, Turku, Finland
[22] Univ Turku, Dept Clin Med, Turku, Finland