Department of Cardiothoracic Surgery, National Heart and Lung Institute, Imperial College London, London, United Kingdom

The Hatter Cardiovascular Institute, University College London, London, United Kingdom

Department of Pulmonary and Critical Care Medicine, Washington University, St Louis, United States

Cardiovascular Intensive Care Unit, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China

Department of Cardial Surgery , Lanzhou University Second Hospital, Lanzhou, China

Department of Cardiovascular Surgery, Affiliated Hospital of Nantong University, Nantong, China

Department of Thoracic Surgery, Ege University, Bornova, Turkey

Chandrapur College, under The University of Burdwan, Purba Bardhaman, India

Department of Cardiology, Sree Chitra Tirunal Institute of Medical Sciences and Technology, Thiruvananthapuram, India