Affiliation: | (1) Department of Radiology, Duke University Medical Center, Box 3808 Med Ctr, Durham, NC 27710, USA;(2) Department of Medicine—Endocrinology, Metabolism, and Nutrition, Duke University Medical Center, Box 3470 Med Ctr, Durham, NC 27710, USA;(3) Department of Pathology, Duke University Medical Center, Box 3712 Med Ctr, Durham, NC 27710, USA |