Funding for this research was provided by:
Stichting voor de Technische Wetenschappen (13928)
Stichting voor de Technische Wetenschappen (14348)
Text and Data Mining valid from 2018-12-01
Received: 13 April 2018
Accepted: 23 October 2018
First Online: 20 December 2018
Ethics approval and consent to participate
: All procedures were approved by the local institutional review board (METC) of the Academic Medical Center (AMC) in Amsterdam and were carried out according to the declaration of Helsinki. All participant gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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