1. Department of Neonatology, Neonatal Biophysical Monitoring and Cardiopulmonary Therapies Research Unit Poznan University of Medical Sciences Poznan Poland
2. Department of Computer Science and Statistics Poznan University of Medical Sciences Poznan Poland
3. Department of Preventive Medicine Epidemiology Unit Poznan University of Medical Sciences Poznan Poland
4. Department of Neonatal Medicine University Hospital Southampton National Health Service Foundation Trust Southampton UK
5. National Institute for Health Research Southampton Biomedical Research Centre University Hospital Southampton National Health Service Foundation Trust and University of Southampton Southampton UK