1. Department of Anesthesia, Critical Care and Pain Medicine Massachusetts General Hospital Harvard Medical School Boston Massachusetts U.S.A.
2. Mayo Clinic Alix School of Medicine Rochester Minnesota U.S.A.
3. Department of Social and Behavioral Sciences Harvard T.H. Chan School of Public Health Boston Massachusetts U.S.A.
4. Department of Nursing Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts U.S.A.
5. Department of Anesthesia, Critical Care and Pain Medicine Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts U.S.A.
6. Department of Anesthesiology and Perioperative Medicine Division of Pain Medicine Mayo Clinic Rochester Minnesota U.S.A.
7. Department of Anesthesiology Valley Anesthesiology and Pain Consultants Phoenix Arizona U.S.A.
8. Department of Anesthesiology University of Arizona College of Medicine‐Phoenix Phoenix Arizona U.S.A.
9. Department of Anesthesiology Creighton University School of Medicine Omaha Nebraska U.S.A.
10. Departments of Surgery Brigham and Women's Hospital Harvard Medical School Boston Massachusetts U.S.A.
11. Harvard Medical School Boston Massachusetts U.S.A.
12. Department of Pain Medicine Pain Specialty Group Newington New Hampshire U.S.A.