1. Clinic of Maternal-Fetal Medicine, Gynecology and Neonatology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
2. Multidisciplinary City Hospital, Rehabilitation Center, Bydgoszcz, Poland
3. The Chair of Medical Biology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
4. The Chair and Department of Laser Therapy and Physiotherapy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
5. Department of Patophysiology of Hearing and Balance, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland