[1] Free Univ Brussels, Erasme Hosp, Dept Intens Care, B-1070 Brussels, Belgium
[2] Rhein Westfal TH Aachen, Univ Hosp, Dept Anaesthesiol, D-52074 Aachen, Germany
[3] Univ Paris 06, Hop La Pitie Salpetriere, Assistance Publ Hop Paris, Dept Emergency Med & Surg, F-75651 Paris, France
[4] Univ Paris 06, Hop La Pitie Salpetriere, Assistance Publ Hop Paris, Dept Anesthesiol & Crit Care, F-75651 Paris, France
[5] Univ Paris 05, Fac Med, Hop Cochin,Assistance Publ Hop Paris, Serv Anesthesie Reanimat Chirurg, F-75679 Paris, France
[6] European Resuscitat Council, ERC Secretariat, B-2610 Antwerp, Belgium
[7] Univ Lausanne Hosp, Dept Anaesthesiol, CH-1011 Lausanne, Switzerland