Advances in cardiology / editors: Kanu Chatterjee, MBBS, FRCP (London), FRCP (Edin), FCCP, FACC, MACP, Kanu and Docey Edwards Chatterjee Chair in Cardiovascular Medicine, The Carver College of Medicine, University of Iowa, Iowa, USA, Emeritus Professor of Medicine, University of California, San Francisco, California, USA, Phillip A. Horwitz, MD, Associate Professor of Medicine, Clinical Chief Cardiovascular Medicine,The Carver College of Medicine, University of Iowa, Iowa, USA.