Left with a Sisyphean task - the experiences of nurse practitioners with treating non-suicidal self-injury in the emergency department: a descriptive qualitative study.

"Declarations Ethics approval and consent to participateThe study was conducted according to the principles expressed in the Declaration of Helsinki. In accordance with Danish legislation, formal ethics committee approval is not required for studies that do not involve biomedical issues according to the National Committee on Health Research Ethics (https://en.nationaltcenterforetik.dk/). The study was approved by the Data Protection Agency in the Capital Region of Denmark (ID no.: P-2020-278.) All participants provided an informed verbal consent prior to the participation in the study. All personal identifiers have been removed or disguised so that the persons described in the study are not identifiable and cannot be identified through the details of the article. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding None. Open access funding provided by Royal Library, Copenhagen University Library"