E. I. Kasikhina
Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology; Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Elena I. Kasikhina, Cand. Sci. (Med.), Associate Professor, Associate Professor of the Department of Dermatovenereology, Allergology and Cosmetology, Medical Institute, Peoples’ Friendship University of Russia named after Patrice Lumumba; Dermatologist, Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology

6, Miklukho-Maklai St., Moscow, 117198;
17, Leninsky Ave., Moscow, 119071

M. N. Ostretsova
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Maria N. Ostretsova, Cand. Sci. (Med.), Associate Professor, Associate Professor of the Department of Dermatovenereology, Allergology and Cosmetology, Medical Institute

6, Miklukho-Maklai St., Moscow, 117198

N. N. Potekaev
Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology; Pirogov Russian National Research Medical University
Russian Federation

Nikolay N. Potekaev, Dr. Sci. (Med.), Director, Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology; Professor, Head of the Department of Skin Diseases and Cosmetology, Institute of Continuing Education and Professional Development, Pirogov Russian National Research Medical University

17, Leninsky Ave., Moscow, 119071; 
1, Ostrovityanov St., Moscow, 117997