Funding for this research was provided by:
University Medical Center Rotterdam
Text and Data Mining valid from 2019-07-19
Received: 12 February 2019
Revised: 17 June 2019
Accepted: 18 June 2019
First Online: 19 July 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies 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. The Medical Ethical Review Board waived approval (‘Medical Research in Human Subjects Act does not apply to this research proposal’; MEC-2017–187).