1. Department of Pediatrics, Faculty of Medicine , “Grigore T. Popa” University of Medicine and Pharmacy , Iași , Romania
2. “Sfanta Maria” Clinical Emergency Hospital for Children , Iași , Romania
3. Faculty of Medicine , “Grigore T. Popa” University of Medicine and Pharmacy , Iași , Romania
4. “Prof. Dr. George I.M. Georgescu” Institute of Cardiovascular Diseases , Iași , Romania
5. Medical Clinic, “Sf. Spiridon” Emergency Hospital , Iași , Romania