1. University Department of Laboratory Medicine, Hospital of Desio, Monza Brianza, Italy
2. University Milano-Bicocca, School of Medicine, Milano, Italy
3. Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
4. EnviroSolutions Consulting, Inc., Jasper, Georgia, USA
5. ChemRisk Inc., Pittsburgh, Pennsylvania, USA