1. Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila” Bucharest, 020021 Bucharest, Romania
2. Department of Urology, University of Medicine and Pharmacy “Carol Davila” Bucharest, 020021 Bucharest, Romania
3. Department of Urology, University Emergency Central Military Hospital, 010825 Bucharest, Romania
4. Faculty of Sciences, Physical Education and Informatics, University of Pitesti, Târgul din Vale 1, Arges, 110040 Pitesti, Romania
5. Department of Public Health Arges, Exercitiu 39 bis, Arges, 110438 Pitești, Romania
6. Center of Uronephrology and Renal Transplant Fundeni, University of Medicine and Pharmacy “Carol Davila” Bucharest, 020021 Bucharest, Romania
7. Department of Pediatric Surgery and Orthopedics, University of Medicine and Pharmacy “Carol Davila” Bucharest, 020021 Bucharest, Romania
8. Emergency Hospital for Children Grigore Alexandrescu, 30-32 Iancu de Hunedoara Boulevard, 011743 Bucharest, Romania