S. V. Nedogoda
Volgograd State Medical University
Russian Federation

 MD, PhD, DSc, Professor, Head, Department of Internal Diseases INMFO

1 Tsiolkovsky street, Volgograd, 400001 Russia 

A. A. Ledyaeva
Volgograd State Medical University
Russian Federation

 MD, PhD, Associate Professor, Department of Internal Diseases 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

A. S. Salasyuk
Volgograd State Medical University
Russian Federation

 MD, PhD, Associate Professor, Department of Internal Diseases 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

E. V. Chumachek
Volgograd State Medical University
Russian Federation

 MD, PhD, Associate Professor, Department of Internal Diseases 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

V. V. Tsoma
Volgograd State Medical University
Russian Federation

 MD, PhD, Associate Professor, Department of Internal Diseases 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

V. O. Lutova
Volgograd State Medical University
Russian Federation

 MD, PhD, Assistant, Department of Internal Diseases INMFO 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

E. A. Popova
Volgograd State Medical University
Russian Federation

 MD, PhD, Associate Professor, Department of Internal Diseases 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

D. S. Vlasov
Volgograd State Medical University
Russian Federation

 MD, Postgraduate Student, Department of Internal Diseases of the INMFO 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

O. I. Bychkova
Federal Security Service of Russia in the Volgograd Region 
Russian Federation

MD, PhD, Lieutenant Colonel, Medical Service, Head, Military Medical Service

Volgograd 

V. V. Labaznikova
Volgograd State Medical University
Russian Federation

 MD, Resident, Department of Internal Diseases INMFO 

1 Tsiolkovsky street, Volgograd, 400001 Russia 

K. S. Evdokimov
Volgograd State Medical University
Russian Federation

 MD, PhD, DSc, Resident, Department of Internal Diseases 

 1 Tsiolkovsky street, Volgograd, 400001 Russia