1. Division of Endocrinology, Diabetes, Metabolism, and Nutrition; Mayo Clinic; Rochester MN USA
2. Division of Surgery; Mayo Clinic; Rochester MN USA
3. Department of Radiology; Mayo Clinic; Rochester MN USA
4. Department of Internal Medicine; University Hospital of Patras; Patras Greece
5. Department of Endocrinology; Metabolism University Hospital of Patras; Patras Greece