Affiliation: | a Russell H. Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, 217 Traylor, 720 Rutland Ave., Baltimore, MD 21205, USA b Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA c Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA d Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Whiting School of Engineering, Baltimore, MD, USA |