Corrections
Margaret McCartney: Doctors should care about cycling
BMJ 2017; 359 doi: https://doi.org/10.1136/bmj.j5267 (Published 13 November 2017) Cite this as: BMJ 2017;359:j5267This article (BMJ 2017;359:j4921, doi:10.1136/bmj.j4921) has been amended to describe Denmark as a country, not a city.