1. Anesthesiology, Intensive Care Emergency Medicine and Multidisciplinary Pain Center Ziekenhuis Oost‐Limburg Belgium
2. Anesthesiology, Pain Medicine Division Johns Hopkins School of Medicine Baltimore Maryland USA
3. Anesthesiology and Pain Medicine Maastricht University Medical Center Maastricht The Netherlands
4. Anesthesiology, Perioperative and Pain Medicine Brigham and Women's Hospital, Leroy D. Vandam Professor of Anesthesia Harvard Medical School Boston Massachusetts USA
5. Anesthesiology, UMCG Pain Center University Medical Center Groningen, University of Groningen Groningen The Netherlands