Mayo Clinic, Rochester, Minn.
Massachusetts General Hospital, Boston
Johns Hopkins Hospital, Baltimore
UCLA Medical Center
New York-Presbyterian University Hospital of Columbia and Cornell
UCSF Medical Center, San Francisco
Northwestern Memorial Hospital, Chicago
Hospitals of the University of Pennsylvania-Penn Presbyterian, Philadelphia
NYU Langone Medical Center
Barnes-Jewish Hospital/Washington University, St. Louis
UPMC Presbyterian Shadyside, Pittsburgh
Brigham and Women’s Hospital, Boston
Stanford Health Care-Stanford Hospital, Stanford, Calif.
Mount Sinai Hospital, New York
Duke University Hospital, Durham, N.C.
Cedars-Sinai Medical Center, Los Angeles
University of Michigan Hospitals and Health Centers, Ann Arbor
Houston Methodist Hospital
University of Colorado Hospital, Aurora