1. Emergency County Hospital for Children, Pediatric Clinic No. 2, Department of Pediatric Cardiology, Cluj-Napoca, Romania
2. “Iuliu Hatieganu” University of Medicine and Pharmacy, Department No. 11, Oncology, Cluj-Napoca 400012, Romania
3. Emergency Clinical County Hospital, Cardiology Department, Cluj-Napoca, Romania
4. “Iuliu Hatieganu” University of Medicine and Pharmacy, Department No. 5, Internal Medicine, Cluj-Napoca 400012, Romania
5. “Iuliu Hatieganu” University of Medicine and Pharmacy, Department No. 9, Mother & Child, Cluj-Napoca 400012, Romania
6. Emergency County Hospital for Children, Pediatric Clinic No. 2, Department of Hemato-Oncology, Cluj-Napoca, Romania
7. “Prof. Dr. Ion Chiricuta” Oncology Institute, Cluj-Napoca, Romania
8. “Nicolae Stancioiu” Heart Institute, Cluj-Napoca, Romania
9. “Iuliu Hatieganu” University of Medicine and Pharmacy, Department No. 7, Surgery, Cluj-Napoca 400012, Romania