1. Nephrology center for pregnant women with kidney disease, City Clinical Hospital n.a. A.K. Eramishancev, Moscow; Peoples Friendship University of Russia, Moscow
2. Nephrology center for pregnant women with kidney disease, City Clinical Hospital n.a. A.K. Eramishancev, Moscow; I.M. Sechenov First Moscow State Medical University (Sechenov Univercity), Moscow
3. Maternity ward №1, City Clinical Hospital n.a. A.K. Eramishancev, Moscow
4. Nephrology unit, City Clinical Hospital n.a. A.K. Eramishancev, Moscow,