1. Department of Pediatrics, Hospital de Braga, Sete Fontes, São Victor, 4710-243 Braga, Portugal
2. Gastroenterology, Hepatology and Nutrition Unit, Department of Pediatrics, Hospital de Braga, Sete Fontes, São Victor, 4710-243 Braga, Portugal
3. Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, 4710-057 Braga, Portugal
4. ICVS/3B’s-PT Government Associate Laboratory, Braga/Guimarães, Portugal
5. Department of Pediatrics, Hospital de Alto Ave, 4835-044 Guimarães, Portugal
6. Department of Clinical Pathology, Hospital de Braga, Sete Fontes, São Victor, 4710-243 Braga, Portugal
7. Department of Pediatric Surgery, Hospital de Braga, Sete Fontes, São Victor, 4710-243 Braga, Portugal