Affiliation: | 1. Division of Neurological Pain Research and Therapy, Department of Neurology University Hospital of Schleswig‐Holstein, Campus Kiel, Kiel, Germany;2. Institute of Pain Medicine/Pain Practice, Wiesbaden, Germany;3. Medical Affairs Europe & Australia, Grünenthal GmbH, Aachen, Germany;4. Global Biometrics in Grünenthal Innovation, Grünenthal GmbH, Aachen, Germany |