V. A. Nikitin
N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; 10, Studencheskaya str., Voronezh, 394622, Russia
Russian Federation

PhD, Assistant Lecturer at Department of Therapy, N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; tel.: (920) 414-76-52;

S. I. Marks
N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; 10, Studencheskaya str., Voronezh, 394622, Russia
Russian Federation

Assistant Lecturer at Department of Propaedeutics of Internal Diseases; N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; tel.: (904) 214-58-27;

E. M. Tolstykh
N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; 10, Studencheskaya str., Voronezh, 394622, Russia
Russian Federation

PhD, Assistant Lecturer at Department of Propaedeutics of Internal Diseases; N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; tel.: (950) 770-86-38;

L. V. Vasil'eva
N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; 10, Studencheskaya str., Voronezh, 394622, Russia
Russian Federation

MD, Professor, Head of Department of Therapy, N.N.Burdenko Voronezh State Medical University, Healthcare Ministry of Russia; tel.: (910) 347-36-87;