1. Mount Auburn Hospital/Beth Israel Lahey HealthCambridge, Massachusetts
2. Harvard Medical SchoolBoston, Massachusetts
3. Medical College of WisconsinMilwaukee, Wisconsin
4. Boston University School of Medicine and Boston Medical CenterBoston, Massachusetts
5. Imperial College of LondonLondon, United Kingdom
6. Imperial College Healthcare NHS TrustLondon, United Kingdom
7. Brigham and Women's Hospital