About the Authors

Charlotte R. Pennington

penninc@edgehill.ac.uk

Affiliation Department of Psychology, Edge Hill University, Ormskirk, Lancashire, England, United Kingdom

Derek Heim

Affiliation Department of Psychology, Edge Hill University, Ormskirk, Lancashire, England, United Kingdom

Andrew R. Levy

Affiliation Department of Psychology, Edge Hill University, Ormskirk, Lancashire, England, United Kingdom

Derek T. Larkin

Affiliation Department of Psychology, Edge Hill University, Ormskirk, Lancashire, England, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: CRP DH. Contributed reagents/materials/analysis tools: CRP DH ARL DTL. Wrote the paper: CRP. Developed the review design and protocol: CRP DH AL DL. Reviewed the manuscript: DH AL DL. Cross-checked articles in systematic review: CRP DH.