1. Unit of Internal Medicine and Endocrinology, ICS-Maugeri, Laboratory for Endocrine Disruptors and Chair of Endocrinology University of Pavia, Pavia, Italy.
2. Department of Medical, Surgical, and Neurological Sciences, University of Siena, Siena, Italy.
3. Department of Medicine and Surgery, Endocrine Unit, University of Insubria, ASST dei Sette Laghi, Ospedale di Circolo, Varese, Italy.
4. Department of Clinical and Experimental Medicine, Endocrinology Section, University of Pisa, Pisa, Italy.