Funding for this research was provided by:
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
French Community of Belgium
Received: 3 November 2016
Accepted: 22 January 2018
First Online: 29 January 2018
Ethics approval and consent to participate
: The ethics committee of the University Hospital of Liège approved this study. All patients signed a written informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.
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