1. Division of Cardiovascular Diseases, Mayo Clinic College of Medicine, Rochester, Minnesota.
2. The Molecular Medicine Program, Mayo Clinic College of Medicine, Rochester, Minnesota.
3. Center for Research in Vascular Biology, University College Cork, Cork, Ireland.
4. Department of Radiology, Mayo Clinic College of Medicine, Rochester, Minnesota.
5. Department of Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota.