Funding for this research was provided by:
Medizinischen Hochschule Hannover (HiLF program)
Deutsche Krebshilfe (70-3163-Wi 3)
Text and Data Mining valid from 2019-08-31
Received: 12 June 2019
Revised: 12 August 2019
Accepted: 19 August 2019
First Online: 31 August 2019
Compliance with ethical standards
: GR received research grants from Roche and Merck as well as honoraria for advisory board activities from AbbVie. All other authors report no conflict of interest.
: The study was approved by the appropriate institutional research ethics committees. All procedures were in accordance with their ethical standards and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.