1 Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Emergency Medicine, Hurley Medical Center, Flint, MI, USA. Electronic address: hfgx@umich.edu.
2 Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Emergency Medicine, Hurley Medical Center, Flint, MI, USA.
3 Department of Pediatrics, Michigan State University College of Human Medicine, Hurley Medical Center, Flint, MI, USA.
4 Department of Pediatrics, Rutgers New Jersey Medical School, Newark, NJ, USA.
5 Department of Microbiology, Biochemistry, and Molecular Genetics, Rutgers New Jersey Medical School, Newark, NJ, USA.