[1] Univ Poitiers, INSERM U1070, Serv Anesthesie Reanimat, CHU Poitiers, Poitiers, France
[2] Paris Diderot Univ, Bichat Claude Bernard Univ Hosp Ctr, Dept Anesthesiol & Surg Intens Care, Sorbonne Paris Cit, F-75018 Paris, France
[3] AP HP, F-75018 Paris, France
[4] Univ Porto, Fac Med, Ctr Hosp Sao Joao, Emergency & Intens Care Med Dept, P-4100 Oporto, Portugal