| MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, UK. |
| MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, United Kingdom. |
| UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, UK. |
| UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom. |