1. “Carol Davila” University of Medicine and Pharmacy”, Bucharest, Romania
2. “Iuliu Hatieganu”, University of Medicine and Pharmacy, Cluj Napoca, Romania
3. “George Emil Palade” University of Medicine, Pharmacy, Science and Technology” Tg.Mureș, Romania
4. Clinical Hospital of Pulmonology, Constanta, Romania
5. “Ovidius” University of Medicine and Pharmacy, Constanta, Romania