1. Department of Pediatrics, Marie Curie Emergency Children’s Hospital, 041451 Bucharest, Romania
2. Department of Physiology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
3. Department of Pediatric Surgery, Marie Curie Emergency Children’s Hospital, 041451 Bucharest, Romania
4. Department of Pediatric Surgery, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
5. Department of Pathology, Colentina Hospital, 020125 Bucharest, Romania
6. Department of Pediatrics, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania