Affiliation: | 1. Department of Anesthesiology and Pain Therapy, St. Jozefkliniek, Bornem and Willebroek;2. Department of Anesthesiology and Pain Medicine, University hospital of Maastricht, Maastricht, the Netherlands;3. Department of Anesthesiology and Multidisciplinary Pain Centre, Ziekenhuis Oost‐Limburg, Genk, Belgium |