1. Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198-6125, United States
2. Ensign Pharmaceutical, Omaha, Nebraska 68106, United States
3. Department of Anesthesiology, College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska 68198-4455, United States
4. Hospital for Special Surgery, New York, New York 10021, United States
5. Department of Orthopaedic and Rehabilitation, College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska 68198-5640, United States