Affiliation: | 1. Department of Medical Physics, University of Wisconsin School of Medicine & Public Health, Madison, Wisconsin, USA;2. Department of Radiology, Stanford University School of Medicine, Stanford, California, USA;3. Department of Biomedical Engineering, California Polytechnic State University, San Luis Obispo, California, USA;4. Department of Bioengineering, Stanford University School of Medicine, Stanford, California, USA |