Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Vidi-grant)
H2020 European Research Council (714312)
Received: 5 December 2017
Accepted: 25 February 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: All patients included in this study provided written informed consent. The study was approved by the local medical ethical committee of the Leiden University Medical Center.
: Not applicable.
: The authors declare that they have no competing interests.
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