Self-reported versus physician-reported severity of chronic hand eczema: concordance analysis based on data from the German chronic hand eczema patient long-term management registry - Bentz, Philipp; Apfelbacher, Christian; Akst, Wilhelm; Molin, Sonja; Bauer, Andrea; Elsner, Peter; Mahler, Vera; Kiedrowski, Ralph von; Schmitt, Jochen Maximilian; Weisshaar, Elke (Acta dermato-venereologica, 2023)