E. A. Orlova
Penza Institute for Further Training of Physicians – branch of Russian Medical Academy of Continuing Professional Education
Russian Federation

Ekaterina A. Orlova, Dr. Sci. (Med.), Associate Professor, Head of the Department of Allergology and Immunology with a Course in Dermatovenereology and Cosmetology

8A, Stasov St., Penza, 440060

Yu. A. Kandrashkina
Penza Institute for Further Training of Physicians – branch of Russian Medical Academy of Continuing Professional Education; Penza State University
Russian Federation

Yulia A. Kandrashkina, Postgraduate Student, Department of Allergology and Immunology with a Course in Dermatovenereology and Cosmetology, Penza Institute for Further Training of Physicians – branch of Russian Medical Academy of Continuing Professional Education; Senior Lecturer, Penza State University

8A, Stasov St., Penza, 440060,

40, Krasnaya St., Penza, 440026

O. A. Levashova
Penza Institute for Further Training of Physicians – branch of Russian Medical Academy of Continuing Professional Education
Russian Federation

Olga A. Levashova, Cand. Sci. (Biol.), Associate Professor of the Department of Medical Microbiology and Laboratory Medicine

8A, Stasov St., Penza, 440060

E. M. Kostina
Penza Institute for Further Training of Physicians – branch of Russian Medical Academy of Continuing Professional Education
Russian Federation

Elena M. Kostina, Dr. Sci. (Med.), Associate Professor, Professor of the Department of Allergology and Immunology with a Course in Dermatovenereology and Cosmetology

8A, Stasov St., Penza, 440060

A. F. Shtakh
Penza State University
Russian Federation

Aleksandr F. Shtakh, Cand. Sci. (Med.), Associate Professor, Head of the Department of Obstetrics and Gynecology

40, Krasnaya St., Penza, 440026