1. From the Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine (W.W., A.J.L., H.B., O.H., P.L.), British Heart Foundation Centre on Population Approaches for Non-Communicable Disease Prevention, Nuffield Department of Population Health (C.F., H.R.), Bodleian Health Care Libraries (N.R.), Department of Primary Care Health Sciences (D.M.C.), Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences (J.N.), and Centre for Statistics in Medicine, Nuffield...