1. Division of Dermatology, Department of Medicine, University of California, San Diego, San Diego, CA 92103.
2. The R. W. Johnson Pharmaceutical Research Institute, Raritan, NJ 08869-0602.
3. Department of Immunology, Research Institute of Scripps Clinc, La Jolla, CA 92037.
4. Johnson & Johnson Laboratories, Research Institute of Scripps Clinic, La Jolla, CA 92037.