The above mentioned article was submitted with incorrect author affiliations for George Haller and Markus Holzner.
This has since been rectified in the online PDF and HTML copies.
Online ordering is currently unavailable due to technical issues. We apologise for any delays responding to customers while we resolve this. For further updates please visit our website: https://www.cambridge.org/news-and-insights/technical-incident
Published online by Cambridge University Press: 24 July 2020
The above mentioned article was submitted with incorrect author affiliations for George Haller and Markus Holzner.
This has since been rectified in the online PDF and HTML copies.