[1] Univ Washington, Dept Surg, Div Vasc Surg, Seattle, WA 98195 USA
[2] Univ Rochester, Dept Surg, Div Vasc Surg, Rochester, MN 14620 USA
[3] Univ Washington, Dept Lab Med & Pathol, Seattle, WA USA
[4] Oregon Hlth & Sci Univ, Dept Surg, Div Vasc & Endovasc Surg, Portland, OR 97239 USA
[5] Oregon Hlth & Sci Univ, Dept Mol & Med Genet, Dept Surg & Mol & Med Genet, Div Vasc & Endovasc Surg, 3181 SW Sam Jackson Pk Rd, Portland, OR 97239 USA