Sieben, A.
Bredie, S. J. H.
Luijten, J. C. H. B. M.
van Laarhoven, C. J. H. M.
van Dulmen, S.
van Onzenoort, H. A. W.
Article History
Received: 16 October 2018
Accepted: 29 April 2019
First Online: 9 May 2019
Ethics approval
: The Ethical Committee (the human related research committee of the Arnhem-Nijmegen region) waived the need for a formal informed consent for this study. The study was conducted according to the good clinical practice protocol and we used usual care data considering the research question of this study. Data was anonymised according to the research protocols of the Ethical Committee.
: Not applicable.
: The authors declare that they have no competing interest.
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