Affiliation: | 1. University Medicine Cluster, National University Health System, Singapore.; 2. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.; 3. Department of Hematology-Oncology, National University Health System, Singapore.; 4. Department of Diagnostic Imaging, National University Health System, Singapore.; 5. Department of Radiology, Mayo Clinic, Rochester, Minnesota, United States of America.; University of North Dakota, UNITED STATES, |