1. Pirogov Russian National Research Medical University; First Phlebological Center
2. Pirogov Russian National Research Medical University
3. South Ural State Medical University
4. Petrov National Medical Cancer Research Centre
5. Ural State Medical University
6. Sechenov First Moscow State Medical University (Sechenov University)
7. Central State Medical Academy
8. Medical Center ”Angio Line”
9. Saint Petersburg Research Institute of Emergency Medicine n.a. I.I. Dzhanelidze
10. Interregional Clinical Diagnostic Center;
11. Institute of Experimental Medicine;
12. Clinic of Phlebology and laser Surgery “Vasculab”
13. Federal Scientific Clinical Centre of Specialized Medical Care and Medical Technology;