Affiliation: | Department of Psychiatry and Behavioral Sciences, Box 3950, Duke University Medical Center, Durham, NC 27710, U.S.A.; Center on Outcomes, Research and Education, Evanston Northwestern Healthcare, Evanston, IL 60201, U.S.A.; Department of Dermatology, St Louis University School of Medicine, St Louis, MO 63117-1206, U.S.A.; Probity Medical Research, Waterloo, Ontario N2J 1C4, Canada; Department of Dermatology, Tufts–New England Medical Center, Boston, MA 02111-1533, U.S.A.; Amgen Inc., Thousand Oaks, CA 91320-1799, U.S.A. E-mail: |