1 Division of Critical Care Medicine, Department of Pediatrics, and.
2 Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, Michigan.
3 Institute of Statistics and Big Data, Renmin University of China, Beijing, China.
4 Department of Pediatrics, University of California, Los Angeles, Los Angeles, California.
5 Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, and.
6 Department of Psychiatry & Behavioral Sciences, University of California, San Francisco, San Francisco, California.
7 Department of Anesthesia, Washington University, St. Louis, Missouri.
8 Division of Anesthesia and Critical Care Medicine (Perelman School of Medicine), Department of Family and Community Health (School of Nursing), University of Pennsylvania, Philadelphia, Pennsylvania; and.
9 Research Institute, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.