Pain, Postoperative

• Department of Anaesthesia, Privathospitalet Hamlet, Frederiksberg, Denmark — Copenhagen, Frederiksberg, Denmark
• Department of Surgery and Anaesthesia, Glostrup Hospital — Glostrup Municipality, Glostrup, Denmark

• Jean Brown Research — Salt Lake City, Utah, United States

• Tongji Hospital — Wuhan, Hubei, China

• Anesthesiology and Intensive Care Medicine Department, University of Greifswald, Germany — Greifswald, Germany

• Anesthesiology and Intensive Care Medicine Department, University of Greifswald, Germany — Greifswald, Germany

• Hôpital Saint-Antoine — Paris, France

Not specified

• McGill University Health Centre, Montreal General Hospital — Montreal, Quebec, Canada

• Hospital Nossa Senhora da Conceição — Porto Alegre, Rio Grande do Sul, Brazil

• Mayo Clinic — Scottsdale, Arizona, United States