1. Division of Neurological Pain Research and Therapy Department of Neurology University Hospital Schleswig‐Holstein Kiel Germany
2. INSERM U 987 and Centre d'Evaluation et de Traitement De La Douleur APHP Boulogne‐Billancourt France
3. Habilita Care & Research Hospitals 24040 Zingonia di Ciserano Italy
4. Department of Neuroscience, Physiology and Pharmacology University College London UK
5. Centre of Biomedicine and Medical Technology Mannheim Heidelberg University Mannheim Germany