Acknowledgments
Thank you to Sebastian Funk, Christophe Fraser, Uri Obolski, David Steinsaltz and the anonymous reviewers for helpful comments about the original version of this manuscript.

Supplementary Materials
The following are available online at https://www.mdpi.com/2077-0383/9/2/498/s1.
Click here for additional data file.

Funding
This research was funded by Christ Church, Oxford, via a Junior Research Fellowship.

Conflicts of Interest
The author declares no conflict of interest.