Danylo Halytsky Lviv National Medical University actively cooperates with: 1. Qatar University (Qatar) 2. University of Al-Quds (East Jerusalem, Israel) 3. Maastricht University (Maastricht, Netherlands) 4. Vienna Medical University (Vienna, Austria) 5. Medical University - Sofia (Sofia, Bulgaria) 6. International Fund of Implantologists (Munich, Germany) 7. University of Wurzburg Julius Maximilian (Wurzburg, Bavaria, Germany) 8. Georgetown University (Washington, DC, USA) 9. National Cancer Institute of National Institute of Health (Bethesda, USA) 10. Research Association of Canada for the Study of Inflammatory Processes (Toronto, Canada) 11. Company for manufacturing of dental implants PIEFFE srl (Verona, Italy) 12. Lithuanian University of Health Sciences (Kaunas, Lithuania) 13. University of Vilnius (Vilnius, Lithuania) 14. Higher School of Strategic Planning (Dabrowa Gornicza, Poland) 15. Gdańsk Medical University (Gdańsk, Poland) 16. State Veterinary Research Institute in Pulawy (Poland) 17. Rzeszow University (Rzeszow, Poland) 18. Lublin Medical University (Lublin, Poland) 19. Wroclaw Medical University (Poland) 20. Silesian Medical University (Katowice, Poland) 21. Medical University in Warsaw (Poland) 22. Opole State University (Opole, Poland) 23. Poznan University of Medical Sciences (Poznan, Poland) 24. Silesian Center of Cardiac Diseases (Zabrze, Poland) 25. Jagiellonian University (Krakow, Poland) 26. University of Technology and Life Sciences in Bydgoszcz (Bydgoszcz, Poland)