1. Department of Laboratory Medicine, Collegium Medicum, Nicholas Copernicus University, Sklodowskiej-Curie 9, 85-094 Bydgoszcz, Poland
2. Department of Balneology, Collegium Medicum, Nicholas Copernicus University, Leśna 3, 87-720 Ciechocinek, Poland
3. Department of Theoretical Foundations of Biomedical Sciences & Medical Computer Science, Collegium Medicum, Nicholas Copernicus University, Jagiellonska 15, 85-067 Bydgoszcz, Poland