About the Authors

Yahya H. Almohmeed

Affiliation Health Services Research Unit, University of Aberdeen, Foresterhill, Aberdeen, United Kingdom

Alison Avenell

Affiliation Health Services Research Unit, University of Aberdeen, Foresterhill, Aberdeen, United Kingdom

Lorna Aucott

Affiliation School of Medicine and Dentistry, University of Aberdeen, Aberdeen, United Kingdom

Mark A Vickers

m.a.vickers@abdn.ac.uk

Affiliation Division of Applied Medicine, University of Aberdeen, Aberdeen, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Statistical advisor decisions on study inclusion comments on article: LA. Conceived and designed the experiments: YHA AA LA MAV. Performed the experiments: YHA AA MAV. Analyzed the data: YHA AA. Contributed reagents/materials/analysis tools: YHA AA. Wrote the paper: YHA AA MAV.