[1] Hop La Timone, Ctr Evaluat & Traitement Douleur, F-13385 Marseille, France
[2] Inserm UdA, Fac Med, F-63001 Clermont Ferrand, France
[3] Hop Croix Rousse, Hosp Civils Lyon, Serv Neurol, F-69004 Lyon, France
[4] Hop Gui de Chaulliac, Serv Neurol, F-34090 Montpellier, France
[5] Hop Rangueil, Serv Neurol, F-31059 Toulouse, France
[6] Ctr Hosp Annecy, Ctr Evaluat & Traitement Douleur, F-74374 Pringy, France
[7] Hop Charles Nicolle, Serv Neurol, F-76000 Rouen, France
[8] Hop Salengro, Serv Neurol, F-59037 Lille, France
[9] CHU, Hop Bellevue, Ctr Evaluat & Traitement Douleur, F-42055 St Etienne, France
[10] Hop Lariboisiere, Ctr Urgence Cephalees, F-75010 Paris, France
[11] Hop Cimiez, Dept Evaluat & Traitement Douleur, F-06000 Nice, France