1. Arrhythmia Department, Federal Almazov North-West Medical Research Centre, Saint Petersburg 197341, Russia
2. Neuromodulation Unit, Federal Almazov North-West Medical Research Centre, Saint Petersburg 197341, Russia
3. Center of Interventional Cardiology, State Research Institute of Circulation Pathology, Novosibirsk 630055, Russia
4. National Research Center for Preventive Medicine, Moscow 101990, Russia
5. Federal Center for Cardiovascular Surgery, Krasnoyarsk 660020, Russia
6. Federal Center for Cardiovascular Surgery, Astrakhan 414011, Russia
7. Electrophysiology Department, City Hospital #5, Nizhny Novgorod 603005, Russia
8. Electrophysiology Department, Tyumen Cardiology Center, Tyumen 625026, Russia
9. Electrophysiology Department, Research Institute of Cardiology, Saratov 410028, Russia
10. Cardiovascular Surgery Department, City Hospital #12, Moscow 115516, Russia
11. Department of Clinical Electrophysiology, Russian Cardiology Research and Production Center, Moscow 121552, Russia
12. Tyumen Regional Hospital #1, Tyumen 625032, Russia
13. Republican Clinical Hospital of the Republic of Tatarstan, Kazan 420064, Russia
14. Botkin City Hospital, Moscow 125284, Russia
15. Bakulev Scientific Center of Cardiovascular Surgery, Moscow 121552, Russia
16. Institute of Heart and Vessels, Federal Almazov North-West Medical Research Centre, Saint Petersburg 197341, Russia