1. Cardiovascular Division, Washington University School of Medicine, St. Louis, MO (A.P.A., R.G.B., C.M.).
2. Barnes-Jewish Hospital, St. Louis, MO (A.P.A., R.G.B., C.M.).
3. Saint Luke’s Mid America Heart Institute, University of Missouri–Kansas City (J.A.S., F.A.-B.).
4. Yale University, New Haven, CT (J.P.C., N.D.).
5. University of Colorado Anschutz Medical Campus Aurora (F.A.M.).
6. Premier, Inc, Premier Applied Sciences, Charlotte, NC (J.A.H.).
7. M&H Research, LLC, San Antonio, TX (H.K.).
8. The Duke Clinical Research Institute, Durham, NC (S.V.R.).