Factors sustaining legitimacy of smoking in Vocational Education and Training (VET) schools: a qualitative needs assessment.

"Declarations Ethics approval and consent to participateAccording to Danish legislation, approval by The Danish Research Ethics Committee System was not necessary for this type of study. This study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was received prior to all interviews conducted, as per National Committee on Health Research Ethics (Ref: 20182000–83). Consent for publicationNot applicable. Competing interestThe authors declare no competing interests. Competing interest The authors declare no competing interests."

"Funding Open access funding provided by University of Southern Denmark This work was supported by the Danish Cancer Society (Proposal number R163-A10653)."