Text and Data Mining valid from 2018-07-05
Received: 2 January 2018
Accepted: 20 June 2018
First Online: 5 July 2018
Ethics approval and consent to participate
: The ethical board of the University of Amsterdam reviewed this proposed study and approved upon the design and measures, and that it conforms to Dutch law (2015-CDE-6363). Written informed consent will be obtained from all participants.
: Not applicable.
: There are no competing interests of the authors with regards to the proposed study.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.