1. Pediatrics, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
2. Department of Surgery II—Pediatric Surgery, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
3. Pediatrics, Vaslui Emergency County Hospital, 730006 Vaslui, Romania
4. Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, 800008 Galati, Romania