1 The Department of Vascular Surgery (BKL), University of Maryland; The Department of Neurology (TGB, JFM), Mayo Clinic, Jacksonville, FL; and The Department of Biostatistics (LJE), University of Alabama, Birmingham, AL.
2 The Department of Vascular Surgery (BKL), University of Maryland; The Department of Neurology (TGB, JFM), Mayo Clinic, Jacksonville, FL; and The Department of Biostatistics (LJE), University of Alabama, Birmingham, AL. Electronic address: [email protected].