1. Interdepartmental Program in Vascular Biology and Therapeutics, Yale University School of Medicine, New Haven, CT 06520-8089;
2. The Stanley J Dudrick Department of Surgery, Saint Mary's Hospital, Waterbury, CT 06706;
3. Department of Surgery, University of Connecticut School of Medicine, Farmington, CT 06030;
4. Department of Surgery, Yale University School of Medicine, New Haven, CT 06520-8089;
5. VA Connecticut Healthcare System, West Haven, CT 06515, USA