About the Authors

Isabella C. C. von Holstein

isabella@palaeo.eu

Affiliation BioArCh, Departments of Archaeology & Chemistry, University of York, York, United Kingdom

Penelope Walton Rogers

Affiliation The Anglo-Saxon Laboratory, York, United Kingdom

Oliver E. Craig

Affiliation BioArCh, Departments of Archaeology & Chemistry, University of York, York, United Kingdom

Kirsty E. H. Penkman

Affiliation BioArCh, Departments of Archaeology & Chemistry, University of York, York, United Kingdom

Jason Newton

Affiliation NERC Life Sciences Mass Spectrometry Facility, Scottish Universities Environmental Research Centre, East Kilbride, United Kingdom

Matthew J. Collins

Affiliation BioArCh, Departments of Archaeology & Chemistry, University of York, York, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: ICCvH PWR OEC KEHP MJC. Data curation: ICCvH KEHP JN. Formal analysis: ICCvH. Funding acquisition: ICCvH MJC. Investigation: ICCvH JN. Methodology: ICCvH PWR OEC KEHP JN MJC. Project administration: ICCvH. Resources: ICCvH PWR OEC KEHP JN MJC. Supervision: MJC. Validation: ICCvH KEHP JN. Visualization: ICCvH. Writing – original draft: ICCvH. Writing – review & editing: ICCvH PWR OEC KEHP JN MJC.