1. Department of Endocrinology, Regina Apostolorum Hospital, Albano, Rome, Italy.
2. Department of Endocrinology, Mayo Clinic College of Medicine, Rochester, Minnesota.
3. Department of Anatomic Pathology, Regina Apostolorum Hospital, Albano, Rome, Italy.
4. Department of Diagnostic Imaging, Regina Apostolorum Hospital, Albano, Rome, Italy.