1. Chair and Department of Palliative Medicine, University of Medical Sciences, Poznań, Poland.
2. Department of Trauma, Burns and Plastic Surgery, Poznan University of Medical Sciences, Poznan, Poland.
3. Wroclaw Medical University Department of Forensic Medicine, Wroclaw, Poland.
4. Chair of Palliative Medicine, Institute of Medical Sciences Collegium Medicum, University of Zielona Góra, Zielona Góra, Poland.
5. University Hospital of Heliodor Święcicki, Partner of Poznań University of Medical Sciences, Poznań, Poland.