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