M.R. Aleksandrova - Ph.D. (Med.), Associate Professor, Department of Hospital Therapy with the Courses of Endocrinology, Hematology and Clinical Laboratory Diagnostics, Medical Institute, Peoples′ Friendship University of Russia E-mail: 9166858759@bk.ru L.V. Bychkova - Ph.D. (Med.), Associate Professor, Department of Hospital Therapy with the Courses of Endocrinology, Hematology and Clinical Laboratory Diagnostics, Medical Institute, Peoples′ Friendship University of Russia E-mail: lvb57@bk.ru N.I. Stuklov - Dr.Sc. (Med.), Professor, Department of Hospital Therapy with the Courses of Endocrinology, Hematology and Clinical Laboratory Diagnostics, Medical Institute, Peoples′ Friendship University of Russia E-mail: stuklovn@gmail.com A.H. Azaraksha - Post-graduate Student, Department of Hospital Therapy with the Courses of Endocrinology, Hematology and Clinical Laboratory Diagnostics, Medical Institute, Peoples′ Friendship University of Russia E-mail: hasib2011@yahoo.com G.G. Ivanov - Dr.Sc. (Med.), Professor, Department of Hospital Therapy with the Courses of Endocrinology, Hematology and Clinical Laboratory Diagnostics, Medical Institute, Peoples′ Friendship University of Russia E-mail: ivgen2004@mail.ru