1) The scientific and practical medical center of pediatric cardiology and cardiac surgery of the ministry of health of ukraine. Government institution (ukrainian children's cardiac center (uccc))
St. Yuriy Illenka, 24, Kyiv
2) Kyiv Clinical Hospital No. 6
Lubomyr Huzar ave., 3, building No. 5, Kyiv.
3) Centr of Medical Services and Rehabilitation Headquarters of "Artem" State Joint Stock Holding,
17-v Dehtiarivska Str., Kyiv.