1. 1Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Disease (NIDDK)
2. 2National Cancer Institute (NCI), National Institutes of Health, Bethesda, Maryland, USA
3. 4Eunice Kennedy Shriver National Institute of Child Health and Development (NICHD), National Institutes of Health, Bethesda, Maryland, USA
4. 3Clinical Center PET Department (CC PET), National Institutes of Health, Bethesda, Maryland, USA