1. Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, College Lane Campus, University of Hertfordshire, Hatfield, Herts, AL10 9AB, UK
2. Hertfordshire Partnership University NHS Foundation Trust, Civic Offices, Elstree Way, Borehamwood, Hertfordshire, WD6 1WA, UK
3. Child and Family Department, The Tavistock and Portman NHS Foundation Trust, Child and Family Department – 120 Belsize Lane, London, NW3 5BA & Eating Disorder Unit, Cygnet Hospital Ealing, 22 Corfton Road, Ealing, W5 2HT, UK