Funding for this research was provided by:
European Organisation for Research and Treatment of Cancer - Quality of Life Grou (003/2014)
Text and Data Mining valid from 2018-06-04
Received: 20 December 2017
Accepted: 30 April 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: The study was approved by the METC-AVL (P16SUR) and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no competing interests.
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