Department of Health Policy, London School of Economics and Political Science, London, United Kingdom; Address for correspondence: Dr Alexander W. Carter, London School of Economics and Political Science, Room No. COW 2.10, Houghton Street, London WC2A 2AE, United Kingdom.
Ankur Kalra, MD, MSc
Franciscan Health, Lafayette, Indiana, USA; Krannert Cardiovascular Research Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
