1. From the Advanced Heart Failure Service (M.R.M., M.C.P., S.B.), Golden Jubilee National Hospital, Glasgow, United Kingdom; BHF Glasgow Cardiovascular Research Centre (P.S.J., J.J.V.M.), Faculty of Medicine, University of Glasgow, United Kingdom; Department of Public Health and Health Policy (P.S.J., J.D.L., K.M.), Faculty of Medicine, University of Glasgow, United Kingdom; Aintree Cardiac Centre (N.M.H.), Liverpool, United Kingdom; Hospital Infanta Leonor (N.M.), Madrid, Spain; Lincoln County...