1. Division of Endocrinology, Diabetes & MetabolismEndocrine Research Unit, Mayo Clinic, College of Medicine and Science Rochester Minnesota USA
2. Biomedical Engineering and Physiology Graduate Program, Mayo Clinic Graduate School of Biomedical Sciences Rochester Minnesota USA
3. Department of Information Engineering University of Padova Padova Italy
4. Vascular and Interventional Radiology, Mayo Clinic, College of Medicine and Science Rochester Minnesota USA
5. Division of Biomedical Statistics and Informatics, Mayo Clinic, College of Medicine and Science Rochester Minnesota USA
6. Department of Woman and Child's Health University of Padova Padova Italy