1. Department of Surgery, Section of Vascular Surgery, Washington University School of Medicine , St. Louis, MO, USA
2. Department of Radiology, Washington University School of Medicine , St. Louis, MO, USA
3. Division of Molecular Cell Biology, Washington University School of Medicine , St. Louis, MO, USA
4. McKelvey School of Engineering, Department of Biomedical Engineering, Washington University , St. Louis, MO, USA
5. Department of Surgery, Veterans Affairs St. Louis Health Care System , St. Louis, MO, USA