1. Department of Cardiology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou People's Republic of China
2. Department of Cardiology; Thoraxcenter, Erasmus Medical Center; Rotterdam The Netherlands
3. Med-X Research Institute, School of Biomedical Engineering; Shanghai Jiao Tong University; Shanghai China
4. Department of Cardiology; Hippokration Hospital; Athens Greece
5. University Hospital of Zurich, Heart Center; Zurich Switzerland