Text and Data Mining valid from 2018-08-22
Received: 11 September 2017
Accepted: 9 July 2018
First Online: 22 August 2018
Ethics approval and consent to participate
: The study received ethical review board approval: CMO Regio Arnhem-Nijmegen (2015–004613-24).Informed consent from all participants in the study is obtained by one of the study doctors.
: Not applicable.
: The authors declare that they have no competing interests.
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