1. Department of Emergency Medicine, University of Alabama at Birmingham Heersink School of Medicine, AL (R.A.C., M.C.K.).
2. OptiStatim, LLC, Longmeadow, MA (B.H.N.).
3. Department of Emergency Medicine, Virginia Commonwealth University, Richmond, VA (S.D.M.).
4. Department of Emergency Medicine, UMass Chan Medical School—Baystate, Springfield, MA (T.J.M.).
5. Center for Injury Science, University of Alabama at Birmingham Heersink School of Medicine, AL (M.C.K.)