1. Department of Tissue Engineering, Nicolaus Copernicus University in Torun, Ludwik Rydygier Medical College in Bydgoszcz, 85-092 Bydgoszcz, Poland
2. Division of Pediatric Urology, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA
3. Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
4. Institute for BioNanotechnology in Medicine, Northwestern University, Chicago, IL 60611, USA
5. Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
6. Department of Urology, Nicolaus Copernicus Hospital, 87-100 Torun, Poland