1. The Department of Medicine The Section of Cardiology Baylor College of Medicine Houston TX USA
2. Health Research Institute of the Balearic Islands Hospital Son Espases Palma Spain
3. Faculty of Medicine and Health Technology Finnish Cardiovascular Research Center University of Tampere Tampere Finland
4. Heart Hospital Tampere University Hospital Tampere Finland
5. Servicios Sanitarios del Area de Salud de El Heirro Valle del Golfo Health Center Frontera Spain
6. International Laser Center Bratislava Slovak Republic
7. Institute of Pathophysiology Medical School Comenius University Bratislava Slovak Republic
8. Clinica y Maternidad Suizo Argentina and De Los Arcos Sanatorio Buenos Aires Argentina
9. Division of Cardiology University of Rochester Medical Center Rochester NY USA
10. Electrocardiology Section Institute of Health and Wellbeing University of Glasgow Glasgow UK
11. Internal Medicine Department School of Medicine, and Telehealth Center Hospital das Clínicas Universidade Federal de Minas Gerais Belo Horizonte Brazil
12. Department of Electrocardiology Medical University of Lodz Lodz Poland
13. Cardiovascular ICCC‐ Program Research Institute Hospital de la Santa Creu i Sant Pau Cardiovascular Research Foundation Barcelona Spain