Funding for this research was provided by:
National Health and Medical Research Council (APP1173505)
Received: 25 October 2020
Accepted: 11 February 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: This paper forms part of a broader programme of work ‘Advancing global knowledge of the drivers of fatal and non-fatal overdose and drug-related harms within rapidly changing drug markets’ which has been approved by the Alfred Ethics Committee, Project No. 61044.
: Not applicable.
: SN has received research funding from Indivior and Seqirus, and her institution has received honoraria for training delivered on codeine dependence from Indivior. PD is funded by a National Health and Medical Research Council (NHMRC) Senior Research Fellowship. PD has received investigator-driven funding from Gilead Sciences and Indivior for work unrelated to this study. PD, MJ and SN have served as unpaid members of an Advisory Board for an intranasal naloxone product. None of the other authors have any interests to declare.