Genetic factors predisposing to radiation induction of mutation during early gestation:
the role of DNA repair and cell cycle control (GEMRATE); Radiation specific DNA non-double strand break lesions: repair mechanisms and biological effects (NON-DSB-LESIONS); Genetics of predisposition to radiation-induced cancer of the thyroid (GENRAD-T); Genetic pathways for the prediction of the effects of irradiation ? European normal and tumour tissue bank (GENEPI-ENTB).