1. From the Meander Medical Center, Department of Cardiology, Amersfoort (A.M., A.D.G.), and the Heart Lung Center Utrecht, Departments of Cardiothoracic Surgery and Cardiology, St. Antonius Hospital, Nieuwegein (G.M.M.S., W.J.v.B., W.J., H.A.v.S.), the Netherlands. Dr Shahin is currently at the Department of Cardiothoracic Surgery, Isala Clinics, Zwolle, The Netherlands.