1. Department of Plastic and Reconstructive Surgery, Mother and Child Health Institute of Serbia, Belgrade, Serbia
2. Department of Clinical Pathology, Mother and Child Health Institute of Serbia, Belgrade, Serbia
3. Department of Endocrinology, Mother and Child Health Institute of Serbia, Belgrade, Serbia
4. Department of Paediatric Surgery, University Hospital of Wales, Cardiff, United Kingdom
5. Department of Pathology, School of Medicine, Heath Park, Cardiff, United Kingdom