[1] Hop Univ Paul Brousse, AP HP, Ctr Enseignement Rech & Traitement Addict, F-94800 Villejuif, France
[2] Univ Paris Sud, F-94276 Le Kremlin Bicetre, France
[3] CEA, INSERM, U797, F-91400 Orsay, France
[4] Hadassah Hosp Ein Kerem, Dept Biophys & Med Nucl, IL-91120 Jerusalem, Israel
[5] INSERM, U669, F-75014 Paris, France
[6] Univ Paris 05, CNRS, UMR Neuropsychopharmacol Addict 7157, INSERM,U705, F-75006 Paris, France
[7] Clin Montevideo, F-92100 Boulogne, France
[8] Hop Fernand Widal, AP HP, F-75010 Paris, France