Nuclear medicine in the management of patients with heart failure : guidance from an expert panel of the International Atomic Energy Agency (IAEA) - Peix, Amalia (Instituto de Cardiología y Cirugía Cardiovascular, Havana, Cuba) ; Mesquita, Claudio Tinoco (Hospital Universitário Antonio Pedro, Universidade Federal Fluminense (UFF), Niteroi) ; Paez, Diana (Department of Nuclear Sciences and Applications, Division of Human Health, Section of Nuclear Medicine and Diagnostic Imaging, International Atomic Energy Agency, Vienna, Austria) ; Pereira, Carlos Cunha (Quanta Diagnostico Nuclear, Curitiba) ; Felix, Renata (Instituto Nacional de Cardiologia, Rio de Janeiro) ; Gutierrez, Claudia (Fundación Cardioinfantil, Instituto de Cardiología, Bogotá) ; Jaimovich, Rodrigo (Pontificia Universidad Católica de Chile) ; Ianni, Barbara Maria (Instituto do Coração, Universidade de São Paulo, São Paulo, Brazil) ; Soares, Jose (Instituto do Coração, Universidade de São Paulo, São Paulo, Brazil) ; Olaya, Pastor (Fundación Clínica Valle Del Lili, Cali, Colombia) ; Rodriguez, Ma. Victoria (Hospital General de Coro, Coro, Venezuela) ; Flotats, Albert (Institut d'Investigació Biomèdica Sant Pau) ; Giubbini, Raffaele (Cattedra e U.O. di Medicina Nucleare, Università e Spedali Civili, Brescia, Italy) ; Travin, Mark (Montefiore Medical Center, Yeshiva University, New York, New York) ; Garcia, Ernest V. (Department of Radiology, Emory University Hospital, Emory University School of Medicine, Atlanta, Georgia, USA) ; Universitat Autònoma de Barcelona