1. Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin.
2. Medical Service, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, Virginia.
3. Departments of Medicine (Division of Cardiology) and Biochemistry, Virginia Commonwealth University, Richmond, Virginia.
4. Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin.
5. Department of Cardiovascular Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin.
6. Research Service, Veterans Affairs Medical Center, Milwaukee, Wisconsin.