1. Out‐Patient Department, Institute of Clinical Cardiology National Medical Research Center of Cardiology named after Academician E.I. Chazov Moscow Russia
2. Department of Clinical Functional Diagnostics, A.I. Yevdokimov Moscow State University of Medicine and Dentistry Moscow Russia
3. Department of Internal Medicine and Cardiology, Charité – Universitätsmedizin Berlin, Campus Virchow ‐ Klinikum – Universitätsmedizin Berlin Berlin Germany