1. A.T. Still University School of Medicine
2. Beth Israel Deaconess Medical Center and Harvard Medical School
3. University of Pittsburgh Medical Center
4. Brigham and Women's Hospital and Harvard Medical School
5. Massachusetts General Hospital and Harvard Medical School
6. Baylor College of Medicine
7. Louisiana State University Health Sciences Center
8. Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School; Department of Anesthesiology, Baylor College of Medicine