**Acknowledgements**

We want to thank the Head of Tatarstan Republic's Ministry of Health, the Rector of Kazan State medical University, Kazan, Russian Federation, the Head of the Children's Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, Russian Federation for the help in the organization of Children's Lipid Center, where we run our observation of children with Familial Hypercholesterolemia.
