[1] Univ Penn, Dept Anesthesiol & Crit Care Med, Childrens Hosp Philadelphia, Perelman Sch Med, Philadelphia, PA 19104 USA
[2] Hosp Sick Children, Dept Anesthesia & Pain Med, Toronto, ON, Canada
[3] ARCO Roma, Dept Anesthesia & Crit Care, Osped Pediat Bambino Gesu, IRCCS, Arco Felice Napoli, Italy
[4] Penn State Hlth, Dept Anesthesiol & Peri Operat Med, Hershey, PA USA
[5] Boston Childrens Hosp, Dept Anesthesiol Crit Care & Pain Med, Boston, MA USA
[6] Childrens Hosp Philadelphia, Dept Biomed & Hlth Informat, Philadelphia, PA 19104 USA
[7] Postgrad Inst Med Educ & Res, Dept Anaesthesia & Intens Care, Chandigarh, India
[8] Indian Assoc Paediat Anaesthesiol, Chandigarh, India