About the Authors

Hashmat Popat

popath@cardiff.ac.uk

Affiliation Applied Clinical Research and Public Health, School of Dentistry, Cardiff University, Cardiff, United Kingdom

Stephen Richmond

Affiliation Applied Clinical Research and Public Health, School of Dentistry, Cardiff University, Cardiff, United Kingdom

Alexei I. Zhurov

Affiliation Applied Clinical Research and Public Health, School of Dentistry, Cardiff University, Cardiff, United Kingdom

Paul L. Rosin

Affiliation Cardiff School of Computer Science and Informatics, Cardiff University, Cardiff, United Kingdom

David Marshall

Affiliation Cardiff School of Computer Science and Informatics, Cardiff University, Cardiff, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Designed the software used in GPA analysis and landmarking: AIZ. Conceived and designed the experiments: HP SR AIZ PLR DM. Performed the experiments: HP. Analyzed the data: HP AIZ PLR. Contributed reagents/materials/analysis tools: HP SR AIZ PLR DM. Wrote the paper: HP SR PLR DM.