This article was published in Psychological Medicine with some errors in the display of the author's names. This has been corrected online and in the article.
The authors apologise for this 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: 04 March 2021
This article was published in Psychological Medicine with some errors in the display of the author's names. This has been corrected online and in the article.
The authors apologise for this error.