[1] CHU Pellegrin, Pain Clin, Dept Neurol, Bordeaux, France
[2] Univ Bordeaux Segalen, Hlth Psychol Dept, Bordeaux, France
[3] Inst Natl Prevent & Educ Sante, St Denis, Reunion, France
[4] CHU Pasteur, Pain Dept, Nice, France
[5] CHRU Salengro, Dept Neurol, Lilles, France
[6] CHU Lariboisiere, Dept Neurol, Paris, France
[7] GlaxoSmithKline Lab, Marly Le Roi, France