<k><nlm:affiliation>From the Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China (F.P., T.Y., S.G., B.L., L.L., L.Y., C.Z); Department of Radiology, Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China (F.P., T.Y.); Department of Emergency Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China (P.S.); Department of Radiology, MSC Clinical& Technical Solutions, Philips Healthcare, Beijing, 100000, China (D.Z., J.W.); Department of Radiology, University College London Hospital, 235, Euston Road, London, NW1 2BU, UK (R.L.H).</nlm:affiliation>
</k>