[1
]
Department of Surgery, Johns Hopkins Hospital, Johns Hopkins University School of
Medicine, Baltimore, Maryland.
[2
]
Division of Traumatology, Surgical Critical Care & Emergency Surgery, Perelman School
of Medicine at the University of Pennsylvania, Philadelphia.
[3
]
Department of Surgery, Boston Medical Center, Boston University School of Medicine,
Boston, Massachusetts.
[4
]
Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia,
Philadelphia, Pennsylvania.