1. Division of Pediatric Surgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.
2. Departments of Surgery and Medical Education, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
3. Department of Learning Health Sciences, University of Michigan Medical School, Ann Arbor, Michigan.
4. Innovations Laboratory, Northwestern Simulation, Center for Education in Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.