1. Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
2. University Orthopedic and Joint Replacement Center, Tamarac, Florida
3. Grossmont Orthopedic Medical Group, La Mesa, California
4. Heron Therapeutics, Inc., San Diego, California
5. Department of Orthopaedic Surgery, Orthopaedic Associates, LLP, Houston, Texas