| Affiliation: | 2. Department of Anesthesia, Hospital México, University of Costa Rica, San José, Costa Rica;3. Department of Anesthesiology, University Medical Center, Groningen, University of Groningen, Groningen, Netherlands;4. Department of Anesthesia and Pain Medicine, Peking University People’s Hospital, Beijing, China;2. Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY;2. Department of Surgery, Duke University Medical Center, Durham, NC;3. Department of Anesthesiology, Perioperative, and Pain Medicine, Harvard Medical School, Boston, MA |
