1. Cleveland Clinic, Cleveland, OH, USA
2. Medical University of Lodz, Lodz, Poland
3. Stanford University, Palo Alto, CA, USA
4. Antwerp University and University Hospital, Antwerp, Belgium
5. Taipei Veterans General Hospital, Taipei, Taiwan
6. University of Minnesota, Minneapolis, MN, USA
7. University of Rochester, Rochester, NY, USA
8. Temple University, Philadelphia, PA, USA
9. Hasselt University, Hasselt, Belgium
10. University of Liverpool, Liverpool, UK
11. Northwestern University Feinberg School of Medicine, Chicago, IL, USA
12. Duke University, Durham, NC, USA
13. National Institute of Cardiology, Warsaw, Poland
14. Lund University, Lund, Sweden
15. Faculdade de Medicina, Centro de Telessaúde, Hospital das Clínicas, and Departamento de Clínica Médica, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
16. Cooper Medical School of Rowan University, Camden, NJ, USA
17. Cardiology Division, NewYork-Presbyterian Queens, and School of Health, Policy and Research, Weill Cornell Medicine, New York, NY, USA
18. Karolinska University Hospital, Stockholm, Sweden