1. Department of Emergency Medicine, University of Alabama School of Medicine, Birmingham (R.A.C., M.C.K.).
2. OptiStatim, LLC, Longmeadow, MA (B.H.N.).
3. Department of Emergency Medicine, Ohio State University Wexner Medical Center, Columbus (A.R.P.).
4. Department of Emergency Medicine, University of Michigan, Ann Arbor (N.L.H., R.W.N.).
5. Department of Emergency Medicine, Emory University, Atlanta, GA (B.M.).
6. Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor (R.W.N.).
7. Department of Emergency Medicine, University of Massachusetts Medical School—Baystate, Springfield (T.J.M.).