University of Chicago Medicine, Chicago, Illinois, United States
LSU Health Care Services, New Orleans, Louisiana, United States
UNC Medical Center, Chapel Hill, North Carolina, United States
Karolinska Institute, Stockholm, Sweden
Uppsala University Hospital, Uppsala, Sweden
Baylor College of Medicine, Houston, Texas, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
University of Michigan Health System, Ann Arbor, Michigan, United States
University of Alabama, Birmingham, Birmingham, Alabama, United States
Vanderbilt University, Nashville, Tennessee, United States
University of Southern California, Los Angeles, California, United States
Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, United States
Boston Childrens Hospital, Boston, Massachusetts, United States