1. Department of Emergency Medicine, Children’s Hospital of Orange County, CA (S.K.S.).
2. Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Aurora (J.D.R.).
3. Ludeman Center for Women’s Health Research (J.D.R., C.E.K., S.M.P.), University of Colorado School of Medicine, Aurora.
4. Division of Cardiology, Department of Medicine (C.E.K.), University of Colorado School of Medicine, Aurora.
5. VA Eastern Colorado Geriatric Research Education and Clinical Center, Denver (C.E.K., D.D.M.).
6. Division of Geriatrics, Department of Medicine (D.D.M.), University of Colorado School of Medicine, Aurora.
7. Department of Internal Medicine, Denver Health Hospital Authority, CO (E.P.H.).
8. Department of Emergency Medicine (S.M.P.), University of Colorado School of Medicine, Aurora.
9. Department of Emergency Medicine, Yale School of Medicine, New Haven, CT (S.M.P.).