Funding for this research was provided by:
Text and Data Mining valid from 2020-02-08
Received: 7 October 2019
Revised: 27 January 2020
Accepted: 2 February 2020
First Online: 8 February 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This study was approved by the medical Ethics Committee of the Erasmus MC (MEC-2014-419) and local feasibility was approved by the Ethics Committees of all participating hospitals. The need for obtaining written informed consent was waived, except by the Ethics Committee of Cruces Hospital, Bilbao, Spain. The local researchers obtained written informed consent from all their participants.
: Rianne Oostenbrink affirms that the manuscript is an honest, accurate, and transparent account of the study being reported; no important aspects of the study have been omitted; any discrepancies from the study as originally planned have been explained.
: Individual participant data that underlie the results reported in this article will be made available after de-identification, beginning 12 months and ending 10 years following article publication. Data will be shared with investigators who provide a methodologically sound proposal, designed to achieve aims in the approved proposal, or for individual participant data meta-analysis. Proposals should be directed to firstname.lastname@example.org; to gain access, data requestors will need to sign a data access agreement.
: The corresponding author has the right to grant on behalf of all authors and does grant on behalf of all authors, a worldwide licence to the publishers and its licensees in perpetuity, in all forms, formats and media (whether known now or created in the future), to (i) publish, reproduce, distribute, display and store the contribution; (ii) translate the contribution into other languages, create adaptations, reprints, include within collections and create summaries, extracts and/or, abstracts of the contribution; (iii) create any other derivative work(s) based on the contribution, (iv) to exploit all subsidiary rights in the contribution; (v) the inclusion of electronic links from the contribution to third party material where-ever it may be located; and (vi) licence any third party to do any or all of the above.