[1] IRCCS Ist Giannina Gaslini, Unit Res Anaesthesia, Genoa, Italy
[2] Dokkyo Med Univ, Dept Anesthesiol, Koshigaya Hosp, Koshigaya, Saitama, Japan
[3] Geneva Univ Hosp, Dept Anaesthesiol Pharmacol Intens Care & Emergen, Geneva, Switzerland
[4] Univ Geneva, Geneva, Switzerland
[5] Boston Childrens Hosp, Med Lib, Boston, MA USA
[6] McGill Univ, Montreal Childrens Hosp, Dept Anaesthesia, Hlth Ctr, Montreal, PQ, Canada
[7] Harvard Med Sch, Boston Childrens Hosp, Dept Anaesthesiol Crit Care & Pain Med, Boston, MA USA
[8] Childrens Hosp Philadelphia, Dept Anaesthesiol & Crit Care Med, Philadelphia, PA USA
[9] Starship Childrens Hosp, Dept Anaesthesia & Pain Management, Auckland, New Zealand
[10] Telethon Kids Inst, Perioperat Care Program, Perioperat Med Team, Perth, WA, Australia
[11] Childrens Hosp Cologne, Dept Pediat Anesthesia, Cologne, Germany
[12] Univ Witten Herdecke, Fac Hlth, Witten, Germany
[13] Deutsch Herzzentrum Charite DHZC, Dept Cardiac Anaesthesiol & Intens Care Med, Berlin, Germany
[14] Charite Univ Med Berlin, Berlin, Germany
[15] Free Univ Berlin, Berlin, Germany
[16] Humboldt Univ, Berlin, Germany
[17] Berlin Inst Hlth, Berlin, Germany
[18] Univ Hosp Wurzburg, Dept Anaesthesiol Intens Care Emergency & Pain Me, Wurzburg, Germany
[19] Hosp Sick Children, Dept Anesthesia & Pain Med, Toronto, ON, Canada
[20] Univ Europea Valencia, Consorcio Hosp Gen Univ Valencia, Dept Anesthesia & Crit Care, Methodol Dept, Valencia, Spain
[21] Perth Childrens Hosp, Dept Anaesthesia & Pain Management, Perth, WA, Australia
[22] Univ Western Australia, Med Sch, Div Emergency Med Anaesthesia & Pain Med, Perth, WA, Australia
[23] UCLouvain, Fac Med, Brussels, Belgium
[24] Rigshospitalet, Copenhagen Univ Hosp, Dept Paediat & Obstet Anaesthesia, Copenhagen, Denmark
[25] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark