1. 1 Department of Neurology, University Hospital, St-Etienne, 42055 cedex 2, France
2. 2 Team ‘Central Integration of Pain’ Lyon Neuroscience Research Centre, INSERM U 1028, CNRS UMR 5292, 69677 Bron, France
3. 3 Jean Monnet University, St-Etienne, 42055 cedex 2, France
4. 4 Claude Bernard University Lyon 1, 69622 Villeurbanne cedex, France
5. 5 Department of Functional Neurology and Epilepsy, Neurological Hospital, Hospices Civils de Lyon, 69677 Bron, France