title: Painful nodules.
authors.affiliation: Division of General Dermatology and Dermatooncology, Department of Dermatology, Medical University Vienna, Vienna, Austria.
authors.forename: Teresa
authors.initials: T
authors.lastname: Valero
authors.affiliation: Institute for Medical Genetics, Medical University Vienna, Vienna, Austria.
authors.forename: Oliver
authors.initials: O
authors.lastname: Brandau
authors.affiliation: Institute for Medical Genetics, Medical University Vienna, Vienna, Austria.
authors.forename: Franco
authors.initials: F
authors.lastname: Laccone
authors.affiliation: Division of General Dermatology and Dermatooncology, Department of Dermatology, Medical University Vienna, Vienna, Austria.
authors.forename: Sonja
authors.initials: S
authors.lastname: Radakovic