Myocardial Krüppel‐Like Factor 5 Abundance Holds Prognostic Value for Myocardial Recovery of Patients With Heart Failure Following Mechanical Unloading and Circulatory Support - Georgios Siokatas; Rana Hamouche; Eleni Maneta; Craig Selzman; Konstantinos E. Hatzistergos; Stavros G. Drakos; Konstantinos Drosatos (Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease)