1. SRC Pediatrics, Allergology and Gastroenterology, Bydgoszcz, Nicolaus
Copernicus University in Toruń Ludwik Rydygier Collegium Medicum in
Bydgoszcz, Poland
2. Department of Rehabilitation, Bydgoszcz, Nicolaus Copernicus University
in Toruń Ludwik Rydygier Collegium Medicum in Bydgoszcz,
Poland
3. Department of Pediatrics, Allergology and Gastroenterology, Bydgoszcz,
Nicolaus Copernicus University in Toruń Ludwik Rydygier Collegium
Medicum in Bydgoszcz, Poland