[1] Guys & St Thomas NHS Fdn Trust, PICU Dept Evelina London Childrens Hosp, London, England
[2] CHU Vaudois, Univ Lausanne, Inst Higher Educ & Nursing Res, CH-1011 Lausanne, Switzerland
[3] Erasmus MC Sophia Childrens Hosp, Intens Care, Off Sb 2704, POB 2060, NL-3000 CB Rotterdam, Netherlands
[4] Erasmus MC Sophia Childrens Hosp, Dept Pediat Surg, Off Sb 2704, POB 2060, NL-3000 CB Rotterdam, Netherlands
[5] Erasmus Univ, Med Ctr, Erasmus MC Sophia Childrens Hosp, Div Neonatol,Dept Pediat, Rotterdam, Netherlands
[6] Charles Univ Prague, Dept Pediat, Intens Care Unit, Gen Fac Hosp,Fac Med 1, Prague, Czech Republic
[7] Charles Univ Prague, Dept Pharmacol, Gen Univ Hosp, Fac Med 1, Prague, Czech Republic
[8] Emma Childrens Hosp, Acad Med Ctr, Dept Intens Care Neonatol, Amsterdam, Netherlands
[9] Alder Hey Childrens NHS FT, PICU & Childrens Nursing Res Unit, Liverpool, Merseyside, England
[10] Univ Cent Lancashire, Preston PR1 2HE, Lancs, England