Affiliations

• ¹ Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA. Electronic address: roderic.eckenhoff@pennmedicine.upenn.edu.
• ² Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA.
• ³ Department of Anaesthesia and Acute Pain Medicine, St. Vincent's Hospital Melbourne, VIC, Australia.
• ⁴ Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
• ⁵ Department of Medicine, Harvard University Medical School, Boston, MA, USA.
• ⁶ Department of Anesthesiology, Cell Biology, and Immunology, Duke University Medical Center, Durham, NC, USA.
• ⁷ Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, USA.
• ⁸ Centre for Public Health, Queen's University Belfast, Belfast, Northern Ireland.
• ⁹ Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.