Funding for this research was provided by:
Amgen (not applicable)
Text and Data Mining valid from 2019-02-05
Received: 2 August 2018
Revised: 5 December 2018
Accepted: 10 January 2019
First Online: 5 February 2019
Compliance with ethical standards
: CK, KD, AGS, and EMCD have nothing to declare. JHVK received a research grant from Amgen. GK, KL, and GD are employees and shareholders from Amgen.
: The samples originated from tissue blocks of leftover patient material obtained during routine care. Each scheme organizer signed a subcontractor agreement stating that the way in which the samples were obtained conformed to the national legal requirements for the use of patient samples. The samples were excluded from research regulations requiring informed consent.