A. V. Simanenkova
First Pavlov State Medical University of St. Petersburg.
Russian Federation

Anna V. Simanenkova, MD, PhD, Student, Assistant, Faculty Therapy Department. 

 St. Petersburg.

M. N. Makarova
First Pavlov State Medical University of St. Petersburg.
Russian Federation

Marianna N. Makarova, MD, Resident in Endocrinology, Faculty Therapy Department.

 St. Petersburg.

M. I. Butomo
First Pavlov State Medical University of St. Petersburg.
Russian Federation

Maria I. Butomo, MD, PhD, Head, Department of Functional Diagnostics, Research Institute of Cardiovascular Diseases Clinic.

 St. Petersburg.

T. D. Vlasov
First Pavlov State Medical University of St. Petersburg; Almazov National Medical Research Centre.
Russian Federation

Timur D. Vlasov, MD, PhD, DSc, Professor, Head, Department of Pathophysiology with the Course of Clinical Pathophysiology; Leading Researcher, Laboratory of Myocardial Metabolism. 

 St. Petersburg.

E. V. Shlyakhto
First Pavlov State Medical University of St. Petersburg; Almazov National Medical Research Centre.
Russian Federation

Evgeny V. Shlyakhto, MD, PhD, DSc, Professor, Academician of the Russian Academy of Sciences, Head, Faculty Therapy Department; General Director, Almazov National Medical Research Centre.

 St. Petersburg.