1. Endocrine and Metabolic Surgery, Catholic University of the Sacred Heart, Rome, Italy
2. Anesthesiology and Intensive Care Institute, Catholic University of the Sacred Heart, Rome, Italy
3. Biochemistry and Clinical Biochemistry Institute, Catholic University of the Sacred Heart, Rome, Italy
4. Department of Surgery, Catholic University of the Sacred Heart, Rome, Italy
5. Haute Ecole Paul Henri Spaak, Environmental & Occupational Physiology, Auderghem, Belgium
6. Hematology Institute, Catholic University of the Sacred Heart, Rome, Italy