From the Royal Brompton and Harefield NHS Foundation Trust, London, UK (S.V.B.-N., G.-P.D., R.R.G., A.J.B., T.K., W.L., D.J.P., H.U., B.S., M.A.G., D.F.S.); and National Heart and Lung Institute, Imperial College London and NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital and Imperial College London, London, UK (S.V.B.-N., W.L., D.J.P., M.A.G., D.F.S.). (At 2014-01-07)
