1. Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
2. Institute of Clinical Medicine, Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
3. School of Medicine, University of Belgrade, dr Subotica 8, 11000 Belgrade, Serbia
4. Cardiology Clinic, Clinical Centre of Serbia, Visegradska 26, 11000 Belgrade, Serbia
5. Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart & Chest Hospital, Liverpool, UK
6. Department of Clinical Medicine, Aalborg University, Aalborg, Denmark