1. Oxford Oxfordshire UK
2. Thame UK
3. Technische Universität München; Department of Psychosomatic Medicine and Psychotherapy; Langerstr. 3 München Germany D-81675
4. University Hospital of Bonn; Department of Palliative Medicine; Sigmund-Freud-Str. 25 Bonn Germany 53127
5. Technische Universität München; Department of Neurology, Klinikum Rechts der Isar; Möhlstrasse 28 Munich Germany 81675
6. Haukeland University Hospital; Regional Centre of Excellence in Palliative Care; Bergen Norway
7. Plymouth UK