About the Authors

Janine Arnott

Affiliation Institute of Psychology, Health and Society, University of Liverpool, Liverpool, United Kingdom

Hannah Hesselgreaves

Affiliation Institute of Psychology, Health and Society, University of Liverpool, Liverpool, United Kingdom

Anthony J. Nunn

Affiliation Alder Hey Children's National Health Service Foundation Trust, Liverpool, United Kingdom

Matthew Peak

Affiliation Alder Hey Children's National Health Service Foundation Trust, Liverpool, United Kingdom

Munir Pirmohamed

Affiliation Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom

Rosalind L. Smyth

Affiliation Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom

Mark A. Turner

Contributed equally to this work with: Mark A. Turner, Bridget Young

Affiliation Institute of Translational Medicine, Liverpool Women's National Health Service Foundation Trust and University of Liverpool, Liverpool, United Kingdom

Bridget Young

Contributed equally to this work with: Mark A. Turner, Bridget Young

byoung@liv.ac.uk

Affiliation Institute of Psychology, Health and Society, University of Liverpool, Liverpool, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BY MAT RLS M. Pirmohamed AJN M. Peak . Performed the experiments: JA HH. Analyzed the data: JA BY MAT. Wrote the paper: JA BY MAT.