https://hal-pasteur.archives-ouvertes.fr/pasteur-00538668 Contributor : Sandra LegoutConnect in order to contact the contributor Submitted on : Tuesday, November 23, 2010 - 10:27:17 AM Last modification on : Thursday, April 7, 2022 - 10:10:30 AM Long-term archiving on: : Thursday, February 24, 2011 - 2:49:35 AM