1. Anatomic Pathology and Histology; Università Cattolica del Sacro Cuore; “Agostino Gemelli” School of Medicine; Rome Italy
2. Endocrinology; Università Cattolica del Sacro Cuore; “Agostino Gemelli” School of Medicine; Rome Italy
3. Endocrinology and Metabolic Diseases; Mayo Clinic; Jacksonville FL USA
4. Pathology and Laboratory Medicine; Mayo Clinic; Jacksonville FL USA