1 Endocrinology Unit, Department of Clinical and Experimental Medicine, University Hospital of Pisa, University of Pisa, Pisa, Italy.
2 Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Istituti Scientifici Maugeri IRCCS, University of Pavia, Pavia, Italy.
3 Endocrinology Unit, Department of Clinical and Experimental Medicine, University of Insubria, Varese, Italy.