Funding for this research was provided by:
Text and Data Mining valid from 2019-04-04
First Online: 4 April 2019
Compliance with Ethical Standards
: This study was funded by Amgen Inc. (Thousand Oaks, CA, USA).
: Steve Ryder, Lisa Stirk, Nigel Armstrong, Ching-Yun Wei, and Sohan Deshpande are employees of Kleijnen Systematic Reviews (KSR) Ltd., an independent research company that was paid by Amgen Inc. to carry out this work. Jos Kleijnen is the owner of KSR Ltd. Pratik Rane and Yi Qian are employees and stock holders of Amgen Inc. Kathleen Fox serves as a consultant for Amgen Inc.
: This manuscript reports on secondary research and does not directly report research on human participants and/or animals.
: Informed consent and ethical approval were not required.