1. ^*Departments of Oral Biology and Medicine (Dermatology), University of Washington, Seattle, Washington, USA
2. ^†Departments of Biological Chemistry and Dermatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
3. ^‡Departments of Physiology and Biophysics, Dermatology, Biochemistry, Reproductive Biology, and Oncology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
4. ^§Departments of Dermatology and Medicine, University of California, San Francisco, and Dermatology Service, VA Medical Center, San Francisco, California, USA

Correspondence: Richard B. Presland, PhD, Department of Oral Biology, Box 357132, University of Washington, Seattle, WA 98195-7132, USA Email: rp@u.washington.edu

Received 26 November 2003; Revised 3 March 2004; Accepted 29 March 2004; Published online 6 August 2004.