1 The Lambert Initiative for Cannabinoid Therapeutics, School of Psychology, The University of Sydney, Sydney, 2050, Australia.
2 Addiction Medicine, Central Clinical School, Faculty of Medicine, The University of Sydney, Sydney, 2006, Australia.
3 The Langton Centre, Drug and Alcohol Services, South East Sydney Local Health District, NSW Health, Surry Hills, 2010, Australia.
4 Department of Pharmacology, Faculty of Medicine, University of Sydney, Sydney, NSW, 2006, Australia.
5 Epilepsy Action Australia, Sydney, Australia.
6 The Lambert Initiative for Cannabinoid Therapeutics, School of Psychology, The University of Sydney, Sydney, 2050, Australia. iain.mcgregor@sydney.edu.au.