1. Center of Syncope and Cardiac Arrhythmias in Children and Adolescents, Central Clinical Children ’ s Hospital of the Federal Medical-Biological Agency; Academy of Postgraduate Education of the Federal Medical-Biological Agency; Regional Public Noncommercial Organization for the Prevention of Sudden Arrhythmic Death in Children and Adolescents “Crystal Heart”
2. Center of Syncope and Cardiac Arrhythmias in Children and Adolescents, Central Clinical Children ’ s Hospital of the Federal Medical-Biological Agency; Regional Public Noncommercial Organization for the Prevention of Sudden Arrhythmic Death in Children and Adolescents “Crystal Heart”
3. Center of Syncope and Cardiac Arrhythmias in Children and Adolescents, Central Clinical Children ’ s Hospital of the Federal Medical-Biological Agency
4. Regional Public Noncommercial Organization for the Prevention of Sudden Arrhythmic Death in Children and Adolescents “Crystal Heart”; Medical Institute of the N.P. Ogarev Mordovia State University