title: Phototherapy trends in dermatology - light or dark? Correspondence to phototherapy trends in dermatology by Luersen et al.
authors.affiliation: a Department of Dermatology , University Hospital Basel , Basel , Switzerland.
authors.forename: Simon M
authors.initials: SM
authors.lastname: Mueller
authors.affiliation: a Department of Dermatology , University Hospital Basel , Basel , Switzerland.
authors.forename: Peter
authors.initials: P
authors.lastname: Itin