Funding for this research was provided by:
National Cancer Institute (NO1-CM-62209)
National Cancer Institute of the National Institutes of Health (K12CA138464)
Text and Data Mining valid from 2018-03-08
Received: 2 February 2018
Accepted: 23 February 2018
First Online: 8 March 2018
Compliance with ethical standards
: Dr. Anthony El-Khoueiry and Dr. Heinz-Josef Lenz both have received honoraria for advisory board participation from Bayer. No potential conflicts of interest were disclosed by other authors.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants involved in the study.