1. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
2. Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
3. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
4. Department of Nuclear Medicine, La Timone University Hospital, CERIMED, Aix-Marseille University, Marseille, France
5. Nuclear Medicine Division, Radiology, and Imaging Sciences, Warren Grant Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland
6. Nuclear Medicine, Radiology and Radiological Science, Johns Hopkins Medicine, Baltimore, Maryland