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Contributors All authors (MS, LH, MW) of this research letter have directly participated in the planning, execution or analysis of the study and have read and approved this, the final version of the research letter.
Funding Quit Victoria.
Competing interests None.
Patient consent Verbal consent was obtained from respondents at the start of telephone interviews.
Ethics approval Ethics approval was obtained from the Human Research Ethics Committee of the Cancer Council Victoria (HREC 0018).
Provenance and peer review Not commissioned; externally peer reviewed.
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