1. From the King’s College London BHF Centre of Research Excellence, London, United Kingdom (A.M., S.R.R.); University of London, London, United Kingdom (A.C.Q.); University of Hull, Yorkshire, United Kingdom (S.T., J.G.F.C.); VA Boston Healthcare System, Brigham and Women’s Hospital, and Harvard Medical School, Boston, MA (D.L.B.); University College London and NIHR UCL Hospitals Biomedical Research Centre, London, United Kingdom (B.W.); and Mayo Clinic College of Medicine, Rochester, MN (B.J.G.).