1. Pain Unit, Dreux Hospital, GHT28, France
2. Department of Mental Health, Dreux Hospital, GHT28, France
3. Center of Treatment and Pain Evaluation, Ambroise Paré Hospital, Paris, France
4. Clinical Research Unit URC28, Dreux Hospital, GHT28, France
5. Department of Human Physiology, Paris Descartes University, Paris, France