1. University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania (M.H.N., A.W.P.)
2. University of Pittsburgh, Pittsburgh, Pennsylvania (C.J.C.)
3. University of Alabama at Birmingham, Birmingham, Alabama (P.G.P.)
4. Henry Ford Health System, Detroit, Michigan (G.A.)
5. Ochsner Health System, New Orleans, Louisiana (G.A.P.)
6. Indiana University School of Medicine, Indianapolis, Indiana (B.H.S.)
7. Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey (A.R., M.P.W.)
8. Tampa General Hospital, Tampa, Florida (R.W.)
9. Geisinger Health, Danville, Pennsylvania (D.R.H., D.M.W.)
10. Weill Cornell Medicine of Cornell University, NewYork–Presbyterian Hospital, New York, New York (T.J.W.)
11. Duke University, Durham, North Carolina (J.R.P.)
12. University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania (M.N.W.)
13. Alpert Medical School of Brown University, Providence, Rhode Island (E.M.)