1. Lynfield Hospital; Craven and Airedale Drugs and Alcohol Team; 25-27 Henry Street Bradford West Yorkshire UK BD21 3DR
2. The Mount; 44 Hyde Terrace Leeds West Yorkshire UK LS2 9LN
3. Monash University; Alfred Psychiatry Research Centre (APRC); 2nd floor Old Baker Building Melbourne Australia
4. University of Hull; Department of Psychiatry; Southcoates Annex Cottingham Road Hull East Yorkshire UK HU6 7RX