title: In reply.
authors.affiliation: *Service de Biophysique, Centre Hospitalier Universitaire, Caen, France. laroche-do@chu-caen.fr.
authors.forename: Dominique
authors.initials: D
authors.lastname: Laroche
authors.forename: Sylvie
authors.initials: S
authors.lastname: Chollet-Martin
authors.forename: Pierre
authors.initials: P
authors.lastname: Léturgie
authors.forename: Laure
authors.initials: L
authors.lastname: Malzac
authors.forename: Marie-Claude
authors.initials: MC
authors.lastname: Vergnaud
authors.forename: Catherine
authors.initials: C
authors.lastname: Neukirch
authors.forename: Lennart
authors.initials: L
authors.lastname: Venemalm
authors.forename: Jean-Louis
authors.initials: JL
authors.lastname: Guéant
authors.forename: Pascale Nicaise
authors.initials: PN
authors.lastname: Roland