1 Department of Anaesthesiology and Critical Care Medicine, Caen University Hospital, Caen, France.
2 Department of Anaesthesiology, Criticial Care Medicine and Perioperative Medicine, Pontchaillou Hospital, University Rennes 1, Rennes, France.
3 Department of Paediatric Anaesthesia and Intensive Care Medicine, Necker-Enfants Malades University Hospital, AP-HP, Centre - Université de Paris, France.
4 Université de Paris, EA 7323 "Pharmacologie et évaluation des thérapeutiques chez l'enfant et la femme enceinte", Paris, France.