1. From the Vascular Physiology Unit, Institute of Cardiovascular Science (S.M., N.K., J.E.D.), Periodontology Unit, Eastman Dental Institute (F.D.), and Division of Cardiovascular Genetics, Department of Medicine, British Heart Foundation Laboratories, Institute of Cardiovascular Science (K.S., S.E.H.), UCL, London, UK; Department of Internal Medicine, University of Pisa, Pisa, Italy (S.M., S.T.); Division of Population Health Sciences and Education, St George’s University of London, London, UK (C.M.N...