1. Department of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, PMB 351826, Nashville, Tennessee 37235, United States
2. Division of Vascular Surgery, Department of Surgery, Vanderbilt University Medical Center, D-5237 Medical Center North, 1161 22nd Avenue South, Nashville, Tennessee 37232, United States
3. Veterans Affairs Medical Center, VA Tennessee Valley Healthcare System, 1310 24th Avenue South, Nashville, Tennessee 37212, United States