[1] SIZ Nursing, Rue Coteau 23, B-1410 Waterloo, Belgium
[2] Catholic Univ Louvain, Clin St Luc, Intens Care Unit, Ave Hippocrate 10, B-1200 Woluwe St Lambert, Belgium
[3] Haute Ecole Prov Condorcet, Chemin Champ Mars 17, B-7000 Mons, Belgium
[4] CHU Charleroi, Marie Curie Civil Hosp, Intens Care Unit, Chaussee Bruxelles 140, B-6042 Charleroi, Belgium
[5] Queen Fabiola Childrens Hosp, Pediat Intens Care Unit, Ave Jean Joseph Crocq 15, B-1020 Brussels, Belgium
[6] Brussels Clin Univ, Erasmus Hosp, Intens Care Unit, Route Lennik 808, B-1070 Brussels, Belgium
[7] Univ Med Ctr Groningen, Hanzepl 1, NL-9713 GZ Groningen, Netherlands