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Department of Endocrinology (E.P., I.M.), Regina Apostolorum Hospital, 00041 Albano
Laziale, Italy; Department of Endocrinology (T.R., P.V.), University of Pisa, 56126
Pisa, Italy; Department of Medicine (G.G., P.D.F.), University of Perugia, Perugia,
06126 Italy; Thyroid Disease Center (R.V., F.R.), Arcispedale Santa Maria Nuova, 42123
Reggio Emilia, Italy; Institute of Biochemistry and Clinical Biochemistry (E.D.S.),
Catholic University "Sacro Cuore," 00185 Rome, Italy; and Department of Diagnostic
Imaging (G.B., C.M.P.), Regina Apostolorum Hospital, 00041 Albano Laziale, Italy.