aDepartment of Orthopaedics and Trauma, Aberdeen Royal Infirmary, Foresterhill Health Campus, Aberdeen, UK

bSir Charles Gairdner Hospital, Hospital Ave, Perth, Australia

cDepartment of Orthopaedics, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK

dDepartment of Orthopaedics and Trauma Surgery, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK

Financial Disclosure: The authors report no conflicts of interest.

J.W.M. and T.K.T. contributed equally.

J.W.L., conceptualization, project administration, data analysis, writing original draft. T.K.T., data curation, data analysis and writing original draft. N.A., data curation, data analysis. D.R., data curation, data analysis. S.S., conceptualization, supervision, review and edit writing. A.C.J., conceptualization, supervision, review and edit writing.

Caldicott approval was obtained for this study.

Correspondence to Jun Wei Lim, BMSc (Hons) MBChB, MRCSEd, STR Trauma and Orthopaedic (North of Scotland), Department of Orthopaedics and Trauma, Aberdeen Royal Infirmary, Foresterhill Health Campus, Aberdeen, AB25 2ZN, UK Tel: +443454566000, fax: +441224 552180; e-mails: [email protected]; [email protected].

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