1Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi’an, China, People's Republic of, 2Northwestern Polytechnical University, Xi’an, China, People's Republic of, 3MR Research China, GE Healthcare China, Beijing, China, People's Republic of, 4Department of Endocrinology, Tangdu Hospital, Fourth Military Medical University, Xi’an, China, People's Republic of