Funding for this research was provided by:
Plan National Cancer of Belgium (139, 137)
Fonds De La Recherche Scientifique - FNRS (BE)
Text and Data Mining valid from 2018-06-22
Received: 9 February 2018
Accepted: 18 June 2018
First Online: 22 June 2018
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committees and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.The study was approved by the Ethics Committee of the Faculty of Medicine of the University of Liège, with each participant providing written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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