[1] Cincinnati Childrens Hosp Med Ctr, Dept Pediat, Div Hosp Med, Cincinnati, OH 45229 USA
[2] Cincinnati Childrens Hosp Med Ctr, James M Anderson Ctr Hlth Syst Improvement, Cincinnati, OH 45229 USA
[3] Palo Alto Med Fdn, Sutter Hlth, Div Pediat Hosp Med, Palo Alto, CA USA
[4] Lucile Packard Childrens Hosp Stanford, Div Hosp Med, Palo Alto, CA USA
[5] Johns Hopkins Univ Hosp, Dept Nursing, Baltimore, MD 21287 USA
[6] Johns Hopkins Hlth Syst, Dept Integrated Healthcare Delivery, Baltimore, MD USA
[7] Childrens Hosp, Div Nursing, Los Angeles, CA 90027 USA
[8] Cincinnati Childrens Hosp Med Ctr, Div Biostat & Epidemiol, Cincinnati, OH 45229 USA
[9] Childrens Hosp Philadelphia, Div Gen Pediat, Philadelphia, PA 19104 USA