About the Authors

Mingzhou Chen

Contributed equally to this work with: Mingzhou Chen, Naomi McReynolds, Elaine C. Campbell

Affiliation SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom

Naomi McReynolds

Contributed equally to this work with: Mingzhou Chen, Naomi McReynolds, Elaine C. Campbell

Affiliation SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom

Elaine C. Campbell

Contributed equally to this work with: Mingzhou Chen, Naomi McReynolds, Elaine C. Campbell

Affiliation School of Medicine, University of St Andrews, Fife, KY16 9TF, United Kingdom

Michael Mazilu

Affiliation SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom

João Barbosa

Affiliation Instituto de Engenharia Biomedica, 4150–180, Porto, Portugal

Kishan Dholakia

kd1@st-andrews.ac.uk (KD); sjp10@st-andrews.ac.uk (SJP)

Affiliation SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom

Simon J. Powis

kd1@st-andrews.ac.uk (KD); sjp10@st-andrews.ac.uk (SJP)

Affiliation School of Medicine, University of St Andrews, Fife, KY16 9TF, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SJP KD. Performed the experiments: SJP MC NM ECC JB. Analyzed the data: SJP MC NM ECC MM JB. Wrote the paper: MC NM ECC MM JB KD SJP.