Correction to: Tweeting about twenty: an analysis of interest, public sentiments and opinion about 20mph speed restrictions in two UK cities

Affiliations

• ¹ School of Engineering, University of Edinburgh, Edinburgh, UK.
• ² Norwich Medical School, University of East Anglia, Norwich, Norfolk, UK. k.milton@uea.ac.uk.
• ³ Scottish Collaboration for Public Health Research and Policy, University of Edinburgh, Edinburgh, UK.
• ⁴ Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK.