Funding for this research was provided by:
KWF Kankerbestrijding (UL2010-4873, UL2013-6103)
Text and Data Mining valid from 2019-05-28
Received: 27 February 2019
Accepted: 20 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: All samples were coded according to the Dutch code of proper secondary use of human material as accorded by the Dutch society of pathology (Federa), and as approved by the LUMC ethical board (B17.019).
: Not applicable.
: The authors declare that they have no competing interests.