Equipe Physiologie, Pathologie et Génétique Végétales (PPGV), University of Toulouse, National Polytechnic Institute of Toulouse, Ecole d'ingénieurs de Purpan, 75 voie du TOEC, BP 57611, F-31076, Toulouse Cedex 03, France.
European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society