Affiliation: | aDepartment of Environmental Science “G. Sarfatti”, University of Siena, via P.A. Mattioli, 4, I-53100 Siena, Italy;bWadsworth Center, New York State Department of Health, Empire State Plaza, P.O. Box 509, Albany, NY 12201-0509, USA;cDepartment of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Empire State Plaza, P.O. Box 509, Albany, NY 12201-0509, USA |