1. 2nd Department of Pediatrcs; University Children's Hospital; Bratislava Slovakia
2. Department of Endocrinology, Diabetes and Metabolic Diseases; University Children's Hospital; Ljubljana Slovenia
3. Department of Human Genetics; Women's and Children's Clinic; Linz Austria
4. Department od Pediatric Endocrinology; University Teaching Hospital; Veszprem Hungary
5. Department of Pediatric Endocrinology; Hospital with Policlinic; Karviná Czech Republic