1. Department of Hygiene, Epidemiology and Ergonomy, Faculty of Health Sciences Ludwik Rydygier, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
2. Institute of Cellular Medicine, Institute of Cellular Medicine, Medical School, Newcastle-upon-Tyne, UK
3. Newcastle Magnetic Resonance Centre, Newcastle, UK
4. Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle University, Newcastle, UK