1. Department of Pathomorphology, Faculty of Medicine, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland
2. Department of Pathology, University Children Hospital in Krakow, 30-663 Krakow, Poland
3. Department of Pediatric and Adolescent Endocrinology, Institute of Pediatrics, Jagiellonian University Medical College, 31-531 Krakow, Poland
4. Department of Pediatric and Adolescent Endocrinology, University Children Hospital in Krakow, 30-663 Krakow, Poland
5. Department of Pediatric Surgery, Institute of Pediatrics, Jagiellonian University Medical College, 31-531 Krakow, Poland
6. Department of Pediatric Surgery, University Children Hospital in Krakow, 30-663 Krakow, Poland
7. Faculty of Physics and Applied Computer Science, AGH University of Krakow, Al. Mickiewicza 30, 30-059 Krakow, Poland