Mariana Ribeiro (female): She has got her degree in Pharmaceuticals Sciences and is current developing her Ph.D. degree in Chemistry at Instituto Superior Técnico in a project named MERSEL-FISH, in collaboration with Instituto Nacional de Saúde Doutor Ricardo Jorge and Agence Nationale de Sécurité Sanitaire de l'alimentation, de l'environnement et du travail. Works on multi-elemental determination of trace elements by inductively coupled plasma mass spectrometry (ICP-MS) and speciation analysis in high-performance liquid chromatography-ICP-MS.