title: [Editorial].
authors.affiliation: Laboratoire d'épidémiologie et de santé publique, faculté de médecine, universite Louis Pasteur, 11, rue Humann, 67085 Strasbourg cedex, France. Electronic address: michel.velten@unistra.fr.
authors.forename: M
authors.initials: M
authors.lastname: Velten
authors.affiliation: Laboratoire d'épidémiologie et de santé publique, faculté de médecine, universite Louis Pasteur, 11, rue Humann, 67085 Strasbourg cedex, France. Electronic address: nmeyer@unistra.fr.
authors.forename: N
authors.initials: N
authors.lastname: Meyer
mesh_terms: D003226:Congresses as Topic / Q000458:organization & administration*; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D005602:France / Q000453:epidemiology; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology / Q000628:therapy