1. Danylo Halytsky Lviv National Medical University (Lviv, Ukraine)
2. Municipal Non-Commercial Enterprise «1st Territorial Medical Association» of Lviv, St. Panteleimon Hospital (Lviv, Ukraine)
3. Municipal Non-Commercial Enterprise «Lviv Regional Clinical Hospital» (Lviv, Ukraine)
4. Lviv Medical College «Monada» (Lviv, Ukraine)