1 Department of Surgery, Southern Illinois University School of Medicine, Springfield, IL. Electronic address: jmellinger@siumed.edu.
2 Department of Surgery, Southern Illinois University School of Medicine, Springfield, IL; Department of Surgery, Indiana University School of Medicine, Indianapolis, IN.
3 Department of Surgery, Southern Illinois University School of Medicine, Springfield, IL; American College of Surgeons, Chicago, IL.
4 Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL.
5 Department of Surgery, University of Michigan, Ann Arbor, MI.
6 Department of General Surgery, Massachussetts General Hospital and Harvard University, Boston, MA.
7 Department of Surgery, University of Michigan, Ann Arbor, MI; Department of Learning Health Sciences, University of Michigan, Ann Arbor, MI.
8 Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX.
9 Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX; UT Southwestern Simulation Center, University of Texas Southwestern Medical Center, Dallas, TX.