1. 1School of Cardiovascular and Metabolic Health, University of Glasgow, Glasgow, Scotland, U.K.
2. 2Chelsea and Westminster NHS Foundation Trust, London, England, U.K.
3. 3Department of Population Health Sciences, Bristol Medical School, and the MRC Integrative Epidemiology Unit at the University of Bristol, Bristol, U.K.
4. 4Division of Experimental Medicine and Immunotherapeutics, Department of Medicine, University of Cambridge, Cambridge, England, U.K.