1. IRSN/PRP-ENV/SERIS-Laboratory of Biogeochemistry; Biodisponibility and Transfer of Radionuclides (L2BT); BP 3, 13115 Saint-Paul-Lez-Durance France
2. University of Bordeaux1; EPOC, UMR CNRS 5805, F-33120 Arcachon France
3. Department of Cellular and Environmental Biology; Ecotoxicology Laboratory, University of Perugia; 06123 Perugia Italy