1. Dept of Clin and Biol Sci, Internal Medicine I, San Luigi Gonzaga Hospital, University of Turin, Orbassano, , Italy
2. Università Federico II di Napoli, Naples, , Italy
3. ENDO, Internal Medicine I, San Luigi Gonzaga Hospital, University of Turin, Orbassano, , Italy
4. Radiology, San Luigi Gonzaga Hospital, University of Turin, Orbassano, , Italy
5. Corcept Therapeutics, Menlo Park, CA, United States
6. Department of Clinical Medicine and Surgery, Federico II University, Naples, , Italy