1. Department of Anesthesia, Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, Indiana2Department of Anesthesia, Indiana University School of Medicine, Indianapolis
2. Department of Pharmacy, Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, Indiana
3. Department of Orthopedic Surgery, Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, Indiana5Department of Orthopedic Surgery, Indiana University School of Medicine, Indianapolis