Diastology clinical approach to heart failure with preserved ejection fraction / Allan L. Klein, MD, FRCP (C), FACC, FAHA, FASE, FESC (Professor of Medicine, Cleveland Clinic Lerner College of Medicine of Case Western University, Director, Center for the Diagnosis and Treatment of Pericardial Diseases, Department of Cardiovascular Medicine, Heart, Vascular, and Thoracic Institute, Past-President of the American Society of Echocardiography, Cleveland Clinic, Cleveland, Ohio), Mario J. Garcia, MD (Professor of Medicine and Radiology, Albert Einstein College of Medicine, Chief, Division of Cardiology, Co-Director, Montefiore-Einstein Center for Heart and Vascular Care, Bronx, New York).