1. Department of Civil Engineering, University of Strathclyde, Glasgow, United Kingdom
2. Edinburgh, United Kingdom
3. School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom
4. Centre for Occupational and Environmental Health, University of Manchester, Manchester, United Kingdom
5. Department of Mathematics and Statistics, University of Strathclyde, Glasgow, United Kingdom
6. Health Protection Scotland, Glasgow, United Kingdom
7. International Prevention Research Institute, Lyon, France
8. Institute of Health and Wellbeing, Public Health, University of Glasgow, Glasgow, United Kingdom