Affiliation: | (1) Department of Public Health, University of Aberdeen, Polwarth Building, Foresterhill, Aberdeen, AB25 2ZD, UK;(2) Department of Orthopaedic Surgery, Aberdeen University School of Medicine, Polwarth Building, Foresterhill, Aberdeen, AB25 2ZD, UK;(3) Freeman Hospital, Freeman Road, Newcastle upon Tyne, NE7 7DN, UK;(4) National Cancer Registry of Ireland, Elm Court, Boreenmanna Road, Cork, Ireland;(5) Department of Trauma and Orthopaedic Surgery, Keele University School of Medicine, Thornburrow Drive, Stoke on Trent, ST4 7QB, UK;(6) Department of Medicine and Therapeutics, University of Aberdeen, Polwarth Building, Foresterhill, Aberdeen, AB25 2ZD, UK |