title: [Seemingly identical – but yet so different].
authors.forename: Niels
authors.initials: N
authors.lastname: Seersholm
authors.affiliation: aase.bengaard.andersen@regionh.dk.
authors.forename: Åse Bengård
authors.initials: ÅB
authors.lastname: Andersen
mesh_terms: D003718:Denmark / Q000453:epidemiology; D006801:Humans; D009165:Mycobacterium Infections, Nontuberculous / Q000453:epidemiology*; D014376:Tuberculosis / Q000453:epidemiology*