About the Authors

Julian Maclaren

julian.maclaren@uniklinik-freiburg.de

Affiliation Department of Radiology, University Medical Center Freiburg, Freiburg, Germany

Brian S. R. Armstrong

Authors #2 to #17 are listed alphabetically.

Affiliation Department of Electrical Engineering, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

Robert T. Barrows

Affiliation Department of Electrical Engineering, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

K. A. Danishad

Affiliation Biomedical Magnetic Resonance, Otto-von-Guericke University, Magdeburg, Germany

Thomas Ernst

Affiliation Department of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America

Colin L. Foster

Affiliation Department of Electrical Engineering, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

Kazim Gumus

Affiliation Department of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America

Michael Herbst

Affiliation Department of Radiology, University Medical Center Freiburg, Freiburg, Germany

Ilja Y. Kadashevich

Affiliation Biomedical Magnetic Resonance, Otto-von-Guericke University, Magdeburg, Germany

Todd P. Kusik

Affiliation Department of Electrical Engineering, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

Qiaotian Li

Affiliation Department of Electrical Engineering, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

Cris Lovell-Smith

Affiliation Department of Radiology, University Medical Center Freiburg, Freiburg, Germany

Thomas Prieto

Affiliation Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America

Peter Schulze

Affiliation Biomedical Magnetic Resonance, Otto-von-Guericke University, Magdeburg, Germany

Oliver Speck

Affiliation Biomedical Magnetic Resonance, Otto-von-Guericke University, Magdeburg, Germany

Daniel Stucht

Affiliation Biomedical Magnetic Resonance, Otto-von-Guericke University, Magdeburg, Germany

Maxim Zaitsev

Affiliation Department of Radiology, University Medical Center Freiburg, Freiburg, Germany

Competing Interests

Brian S.R. Armstrong and Todd P. Kusik are the founders of, and hold equity in, Metria Innovation, a startup launched to commercialize aspects of the technology developed in this work. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JM BSRA TE TP OS MZ. Performed the experiments: JM BSRA KAD MH IYK CLS PS OS DS MZ. Analyzed the data: JM BSRA KAD MH IYK PS DS. Wrote the paper: JM BSRA TE OS MZ. Designed, constructed or tested the camera and tracking system: JM BSRA RTB TE KAD CLF KG MH IYK TPK QL PS OS DS MZ. Revised manuscript: JM BSRA RTB KAD TE CLF KG MH IYK TPK QL CLS TP PS OS DS MZ.