Funding for this research was provided by:
Seventh Framework Programme (611736)
Received: 14 March 2020
Accepted: 26 August 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: This qualitative study was imbedded in the CODEMISUSED project approved by King’s College London, Psychiatry, Nursing & Midwifery Research Ethics Subcommittee and the NRES Committee London–London Bridge.
: Not applicable.
: AK was appointed to the list of experts for 2020–2023 used by the EU drug agency, the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), for the assessment of risks posed by NPS. The other authors declare none.