1. Department of Pediatrics, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
2. University Department of Health Studies, University of Split, Ruđera Boškovića 35, 21 000 Split, Croatia
3. Department of Medical Biochemistry and Hematology, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
4. Department of Pediatric Surgery, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
5. Scientific Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Šalata 3, 10 000 Zagreb, Croatia
6. School of Medicine, University of Zagreb, Šalata 3, 10 000 Zagreb, Croatia