aAcademic Unit of Palliative Care, University of Leeds, Leeds, United Kingdom
bEuropean Palliative Care Research Centre (PRC), Oslo, Norway
cDepartment of Oncology, Oslo University Hospital, Oslo, Norway
dInstitute of Clinical Medicine, University of Oslo, Oslo, Norway
eDivision of Clinical Psychology and Psychotherapy, Department of Psychology, Philipps-University Marburg, Marburg, Germany
fDepartment of Neurophysiology, CBTM, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
*Corresponding author. Address: Department of Neurophysiology, Centre for Biomedicine and Medical Technology Mannheim, Medical Faculty Mannheim, Heidelberg University, Ludolf-Krehl-Str.13-17, 68167 Mannheim, Germany. Tel.: +49 (0)621 383 71 400; fax: +49-(0)621 383 71 401. E-mail address: Rolf-Detlef.Treede@medma.uni-heidelberg.de (R.-D. Treede).
Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.
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M.I. Bennett, S. Kaasa, A. Barke contributed equally to this manuscript. R.-D. Treede, W. Rief also contributed equally to this manuscript.
