title: Treatment of psoriasis: a journey from empiricism to evidence.
authors.affiliation: Department of Dermatology and Venereology, University Medical Center Göttingen von-Siebold Str 3, 37075 Göttingen, Germany. michael.schoen@med.uni-goettingen.de
authors.forename: Michael P
authors.initials: MP
authors.lastname: Schön