1. Heart Failure Care Unit, Heart Failure Center, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union of Medical College, National Center for Cardiovascular Diseases, Beijing, China
2. Cardiology, ASST Spedali Civili and Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia
3. Division of Cardiology, Cardiovascular Department, Azienda Sanitaria Universitaria Integrata di Trieste, Trieste, Italy