title: Classification of acne scars is difficult even for acne experts.
authors.affiliation: Department of Dermatology, University of Cardiff School of Medicine, Cardiff, UK Department of Dermatology, Juarez Hospital, Mexico City, Mexico Department of Dermatology, Johns Hopkins Medicine, Baltimore, MD, USA Department of Dermatology, Arcispedale S. Anna, University of Ferrara, Ferrara, Italy Department of Dermato cancerology, Nantes University Hospital, France National Skin Centre, Singapore Department of Dermatology and Venereology Medical Faculty, Otto-Von-Guericke-Universitat, Magdeburg, Germany.
authors.forename: A Y
authors.initials: AY
authors.lastname: Finlay
authors.forename: V
authors.initials: V
authors.lastname: Torres
authors.forename: S
authors.initials: S
authors.lastname: Kang
authors.forename: V
authors.initials: V
authors.lastname: Bettoli
authors.forename: B
authors.initials: B
authors.lastname: Dreno
authors.forename: C L
authors.initials: CL
authors.lastname: Goh
authors.forename: H
authors.initials: H
authors.lastname: Gollnick
mesh_terms: D000152:Acne Vulgaris / Q000473:pathology*; D002921:Cicatrix / Q000145:classification*; D006801:Humans