[1] Univ Montpellier, Natl Res Inst Agr Food & Environm, ITAP Res Team Technol & Methods Agr Tomorrow, INRAE,Montpellier Inst Agro, 361 Rue Jean-Francois Breton,BP 5095, F-34196 Montpellier 5, France
[2] Univ Rennes, Irset Inst Rech Sante Environm & Travail, CHU Rennes, Inserm,EHESP,UMR S 1085, Rennes, France