[1] Boston Childrens Hosp, Dept Anesthesiol Crit Care & Pain Med, Div Crit Care Med, Boston, MA USA
[2] Boston Childrens Hosp, Dept Neurol, Boston, MA USA
[3] Cooperman Barnabas Med Ctr, Div Pediat Crit Care, Dept Pediat, Livingston, NJ USA
[4] Univ Colorado, Sch Med, Dept Pediat, Sect Crit Care Med, Aurora, CO USA
[5] Childrens Hosp Colorado, Aurora, CO USA
[6] Univ Utah, Div Pediat Crit Care, Dept Pediat, Salt Lake City, UT USA
[7] Univ Alabama Birmingham, Div Pediat Crit Care Med, Dept Pediat, Birmingham, AL USA
[8] Univ Penn, Perelman Sch Med, Dept Anesthesiol & Crit Care, Div Crit Care, Philadelphia, PA USA
[9] Arkansas Childrens Hosp, Pediat Crit Care Sect, Dept Pediat, Little Rock, AR USA
[10] Harvard Med Sch, Dept Anaesthesia, Boston, MA USA
[11] Harvard Med Sch, Dept Pediat, Boston, MA USA
[12] Ctr Dis Control & Prevent, COVID 19 Response, Atlanta, GA USA
[13] Harvard Med Sch, Boston Childrens Hosp, Div Immunol, Dept Pediat, Boston, MA USA