title: Authors' reply.
authors.affiliation: Dan Siskind, Metro South Addiction and Mental Health Services, Brisbane, and Melbourne Health, Melbourne, Victoria, Australia. Email: d.siskind@uq.edu.au; Lara McCartney, Melbourne Health, Melbourne, Victoria, Australia; Steve Kisely, Metro South Addiction and Mental Health Services, Brisbane, and University of Queensland School of Medicine, Brisbane, Australia.
authors.forename: Dan
authors.initials: D
authors.lastname: Siskind
authors.affiliation: Dan Siskind, Metro South Addiction and Mental Health Services, Brisbane, and Melbourne Health, Melbourne, Victoria, Australia. Email: d.siskind@uq.edu.au; Lara McCartney, Melbourne Health, Melbourne, Victoria, Australia; Steve Kisely, Metro South Addiction and Mental Health Services, Brisbane, and University of Queensland School of Medicine, Brisbane, Australia.
authors.forename: Lara
authors.initials: L
authors.lastname: McCartney
authors.affiliation: Dan Siskind, Metro South Addiction and Mental Health Services, Brisbane, and Melbourne Health, Melbourne, Victoria, Australia. Email: d.siskind@uq.edu.au; Lara McCartney, Melbourne Health, Melbourne, Victoria, Australia; Steve Kisely, Metro South Addiction and Mental Health Services, Brisbane, and University of Queensland School of Medicine, Brisbane, Australia.
authors.forename: Steve
authors.initials: S
authors.lastname: Kisely