[1] Randers Reg Hosp, Dept Anaesthesiol & Intens Care, Randers, Denmark
[2] Aarhus Univ Hosp, Dept Intens Care Med, Aarhus, Denmark
[3] Univ Tasmania Sydney, Coll Hlth & Med, Sydney, NSW, Australia
[4] Aarhus Univ Hosp, Dept Clin Med, Res Ctr Emergency Med, Palle Juul Jensens Blvd 99,Bygning J,Plan 1, DK-8200 Aarhus N, Denmark
[5] Aarhus Univ, Aarhus, Denmark
[6] Beth Israel Deaconess Med Ctr, Dept Emergency Med, Ctr Resuscitat Sci, Boston, MA 02215 USA
[7] Boston Childrens Hosp, Dept Anesthesiol Crit Care & Pain Med, Div Crit Care Med, Boston, MA USA
[8] Imperial Coll Hosp NHS Healthcare Trust, Paediat Emergency Dept, London, England
[9] Univ Michigan, Med Sch, Dept Emergency Med, Ann Arbor, MI USA
[10] Univ Michigan, Med Sch, Michigan Ctr Integrat Res Crit Care, Ann Arbor, MI USA
[11] Univ Michigan, Med Sch, Dept Surg, Ann Arbor, MI USA
[12] Univ Fed Sao Paulo, Escola Paulista Med, Div Neonatol, Sao Paulo, SP, Brazil
[13] Chang Bing Show Chwang Mem Hosp, Lukang, Taiwan
[14] Fu Jen Catholic Univ, Sch Med, New Taipei, Taiwan