1. Saint Louis University School of Medicine, St. Louis, Missouri.
2. Epharmix Research Center, St. Louis, Missouri.
3. Becker Medical Library, Washington University in Saint Louis School of Medicine, St. Louis, Missouri.
4. Department of Orthopaedic Surgery, Saint Louis University School of Medicine, St. Louis, Missouri.
5. Division of Cardiothoracic Surgery, Washington University in Saint Louis School of Medicine, St. Louis, Missouri.