1. 3D Printing Lab, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110, USA
2. Department of Breast Imaging, Division of Diagnostic Imaging, The University of Texas, 7000 Fannin Street, Houston, TX 77030, USA
3. Biomaterials Lab, Rice University, 6100 Main St., Houston, TX 77005, USA
4. Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110, USA