1. Moffitt Cancer Center, Department of Radiology, 12902 USF Magnolia Drive, Tampa, FL 33612, USA
2. Johns Hopkins Hospital, Department of Radiology, 601 N Caroline St, Baltimore, MD 21287, USA
3. Diabetes, Endocrinology, and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda 10, Center Dr, Bethesda, MD 20892, USA
4. Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of South Carolina School of Medicine, 6311 Garners Ferry Rd, Columbia, SC, USA
5. Department of Radiology, Mercy Catholic Medical Center, 1500 Lansdowne Ave, Darby, PA 19023, USA
6. Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD/NIH), 10 Center Dr, Bethesda, MD 20892, USA