1. Department of Experimental Pain Research, MCTN Medical Faculty Mannheim Heidelberg University Mannheim Germany
2. Department of Neurosurgery Johns Hopkins University Baltimore MD USA
3. Faculty of Mathematics and Computer Science Bethel University MN USA
4. Section of Clinical Neurophysiology, Department of Neurology Oslo University Hospital Oslo Norway
5. Institute of Clinical Medicine University of Oslo Oslo Norway
6. IZKF Neuroscience Research Group, University Hospital RWTH Aachen and Department of Physiology and Pathophysiology University of Erlangen‐Nuremberg Erlangen Germany