@article {e110798corr1, editor = {,}, title = {Correction: What does expert opinion in guidelines mean? a meta-epidemiological study}, elocation-id = {e110798corr1}, year = {2017}, doi = {10.1136/ebmed-2017-110798corr1}, publisher = {Royal Society of Medicine}, issn = {2515-446X}, URL = {https://ebm.bmj.com/content/early/2018/02/03/ebmed-2017-110798corr1}, eprint = {https://ebm.bmj.com/content/early/2018/02/03/ebmed-2017-110798corr1.full.pdf}, journal = {BMJ Evidence-Based Medicine} }