[1] Med Univ Vienna, Dept Emergency Med, A-1090 Vienna, Austria
[2] Austrian Cardiac Arrest Awareness Assoc, PULS, A-1090 Vienna, Austria
[3] Antwerp Univ Hosp, Dept Emergency Med, B-2650 Edegem, Belgium
[4] Emergency Med Serv Vienna, A-1030 Vienna, Austria
[5] Univ Santiago Compostela, Fac Educ Sci, Santiago De Compostela 15705, Spain
[6] Univ Santiago Compostela, CLINURSID Res Grp, Santiago De Compostela 15705, Spain
[7] Univ Hosp Santiago Compostela, Hlth Res Inst Santiago, Simulat & Intens Care Unit Santiago SICRUS Res Grp, CHUS, Santiago De Compostela 15706, Spain
[8] Univ Auckland, Fac Med & Hlth Sci, Auckland 1023, New Zealand
[9] Mt Sinai Hosp, Dept Anesthesiol & Pain Management, Toronto, ON M5G 1X5, Canada
[10] Univ Bern, Fac Med, CH-3012 Bern, Switzerland
[11] Sigmund Freud Univ Vienna, Sch Med, A-1020 Vienna, Austria