Chun Yuan, PhD is Professor of Radiology and Bioengineering, Vice Chair of Global Affairs, and Co-Director of the Vascular Imaging Research Laboratory at the University of Washington.Thomas Hatsukami, MD is Professor of Surgery, V. Paul Gavora and Helen S. and John A. Schilling Endowed Chair in Vascular Surgery, and Co-Director of the Vascular Imaging Research Laboratory at the University of Washington.Mahmud Mossa-Basha, MD is associate professor and vice chair of clinical operations of radiology at the university of Washington.