1. Assistant professor in the Department of Pediatrics at Northwestern University and is an attending physician in the Division of Critical Care at the Ann & Robert H. Lurie Children's Hospital of Chicago and, during data collection, was a pediatric critical care fellow in the Division of Pediatric Critical Care at Boston Children's Hospital
2. Statistician in the Biostatistics Research Core at Northwestern University during participation
3. Was a research associate at the Dana Farber Cancer Institute during participation
4. Orthopedic resident at NYU Langone Medical Center and, during participation, was a research associate at Boston Children's Hospital
5. Was a research associate at Boston Children's Hospital during participation
6. The interim chair in the Department of Medical Ethics and Health Policy and the Founders professor of medical ethics and health policy at the University of Pennsylvania Perelman School of Medicine
7. Clinical research associate in the Division of Critical Care at the Ann & Robert H. Lurie Children's Hospital of Chicago