1. Center of Allergy and Immunology Clinical State Hospital 52 Moscow Ministry of Healthcare Moscow Russian Federation
2. Department of Dermatology and Venereology I.M. Sechenov First Moscow State Medical University Moscow Russian Federation
3. Department of Clinical Immunology and Allergology I.M.Sechenov First Moscow State Medical University Moscow Russian Federation
4. University Clinic of Respiratory and Allergic Diseases Golnik Golnik Slovenia
5. Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
6. Department of Dermatology Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand
7. Smolensk State Medical University Smolensk Russian Federation
8. Department of Dermatology Bispebjerg Hospital University of Copenhagen Copenhagen Denmark