1. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114.
2. Arthritis Unit, Department of Medicine, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114.
3. Pain Unit, Department of Anesthesia, Harvard Medical School, Massachusetts General Hospital, Boston MA 02114.
4. Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75235.
5. Center for Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139.
6. Department of Surgery, Harvard Medical School, Massachusetts General Hospital, Boston, MA 02114.