O. V. Trusova
Pavlov First Saint Petersburg State Medical University
Russian Federation

Olga V. Trusova - Cand. Sci. (Med.), Associate Professor, Department of Hospital Therapy with the Course of Allergology and Immunology named after Academician M.V. Chernorutsky with the Clinic, Pavlov First Saint Petersburg State Medical University.

6-8, Lev Tolstoy St., St Petersburg, 197022.

A. A. Kamaev
Pavlov First Saint Petersburg State Medical University
Russian Federation

Andrey V. Kamaev - Cand. Sci. (Med.), Associate Professor, Department of General Medical Practice (Family Medicine), Pavlov First Saint Petersburg State Medical University.

6-8, Lev Tolstoy St., St Petersburg, 197022.

I. M. Gaiduk
St Petersburg State Pediatric Medical University
Russian Federation

Irina M. Gaiduk - Dr. Sci. (Med.), Professor, Department of Pediatrics named after Professor A.F. Tur, St Petersburg State Pediatric Medical University.

2, Litovskaya St., St Petersburg, 194100.

I. V. Kuznetsova
Chlidren Outpatient Clinic No. 44
Russian Federation

Irina V. Kuznetsova - Allergist-Immunologist, Chlidren Outpatient Clinic No. 44.

25a, Mytninskaya St., St Petersburg, 191144.