1. Department of Anaesthesia and Intensive Care, University of Helsinki, Helsinki, Finland
2. Palliative Medicine, Department of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
3. Palliative Center, The South Savo Social and Health Care Authority, Mikkeli, Finland
4. Palliative Center, Joint Municipal Authority for North Karelia Social and Health Service, Siun sote, Joensuu, Finland
5. Palliative Center, Espoo City Hospital, Espoo, Finland