1 Rheumatology and Bone Diseases Unit, Centre for Genomic and Experimental Medicine, MRC Institute of Genetics and Molecular Medicine, Western General Hospital, University of Edinburgh, UK; Department of Life Sciences, School of Sciences, European University of Cyprus, Nicosia.
2 Muirhouse Medical Group, Edinburgh, UK; Centre for Population Health Sciences, University of Edinburgh, UK.
3 Department of Clinical and Health Psychology, University of Edinburgh, UK.
4 Rheumatology and Bone Diseases Unit, Centre for Genomic and Experimental Medicine, MRC Institute of Genetics and Molecular Medicine, Western General Hospital, University of Edinburgh, UK; Muirhouse Medical Group, Edinburgh, UK.
5 Department of Medicine, University of East Anglia, Norwich, UK.
6 Rheumatology and Bone Diseases Unit, Centre for Genomic and Experimental Medicine, MRC Institute of Genetics and Molecular Medicine, Western General Hospital, University of Edinburgh, UK.