Owing to a printer's error, William McCormick's name was incorrectly listed in the original online version of this article (published in 2020). It has been corrected in the article.
We regret the error.
Our systems are now restored following recent technical disruption, and we’re working hard to catch up on publishing. We apologise for the inconvenience caused. Find out more: https://www.cambridge.org/universitypress/about-us/news-and-blogs/cambridge-university-press-publishing-update-following-technical-disruption
Published online by Cambridge University Press: 16 March 2020
Owing to a printer's error, William McCormick's name was incorrectly listed in the original online version of this article (published in 2020). It has been corrected in the article.
We regret the error.