title: Erratum to: Recurrent purpura due to alcohol-related Schamberg's disease and its association with serum immunoglobulins: a longitudinal observation of a heavy drinker.
authors.affiliation: Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg/Essen, Grutholzallee 21, 44577, Castrop-Rauxel, Germany. udo.bonnet@uni-due.de.|Department of Psychiatry and Psychotherapy, University of Duisburg/Essen, Virchowstr 174, 45147, Essen, Germany. udo.bonnet@uni-due.de.
authors.forename: Udo
authors.initials: U
authors.lastname: Bonnet
authors.affiliation: Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg/Essen, Grutholzallee 21, 44577, Castrop-Rauxel, Germany.
authors.forename: Claudia
authors.initials: C
authors.lastname: Selle
authors.affiliation: Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg/Essen, Grutholzallee 21, 44577, Castrop-Rauxel, Germany.
authors.forename: Katrin
authors.initials: K
authors.lastname: Isbruch