1. Department of Surgery, Division of Vascular Surgery (E.F., A.M.F., N.J.L.), Stanford University School of Medicine, CA.
2. Department of Medical Sciences, Cardiology (D.L.), Uppsala University, Sweden.
3. Uppsala Clinical Research Center, Sweden (D.L.).
4. Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory (S.G.), Uppsala University, Sweden.
5. Department of Medicine, Division of Cardiovascular Medicine (D.Z., E.I., N.J.L.), Stanford University School of Medicine, CA.
6. Stanford Cardiovascular Institute, CA (E.I., N.J.L.).