Funding for this research was provided by:
Received: 15 December 2017
Accepted: 3 September 2018
First Online: 26 November 2018
Ethics approval and consent to participate
: Written informed consent was obtained from all individual participants included in the study. All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Institutional Review Board of the Erasmus University Medical Center in Rotterdam, the Netherlands (MEC-2012-232).
: Not applicable.
: The authors declare that they have no competing interests except J. Aerts. J. Aerts has received personal fees as a member of the advisory board of Eli Lilly.
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