Funding for this research was provided by:
H2020 Marie Skłodowska-Curie Actions (675743)
KWF Kankerbestrijding (UL 2015-7817)
Text and Data Mining valid from 2019-08-14
Received: 20 February 2019
Accepted: 31 July 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: The inclusion of patients has been conducted in accordance with the ethical principles set out in the Declaration of Helsinki. Patient inclusion was done with approval of the Leiden Medical Centre Medical Ethical Committee. Written informed consent was obtained prior to data collection.
: We confirm that the manuscript has been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that the order of authors listed in the manuscript has been approved by all of us.We confirm that we have given due consideration to the protection of intellectual property associated with this work and that there are no impediments to publication, including the timing of publication, with respect to intellectual property. In so doing we confirm that we have followed the regulations of our institutions concerning intellectual property.
: The authors declare no potential financial or commercial conflict of interest.