Funding for this research was provided by:
Text and Data Mining valid from 2018-02-12
Received: 5 July 2017
Accepted: 24 January 2018
First Online: 12 February 2018
Compliance with ethical standards
: MJ van Dort has nothing to disclose.EAPM Romme has nothing to disclose.FWJM Smeenk has nothing to disclose.PPPM Geusens reports grants and speaker fees from Amgen, grants from Pfizer, grants from MSD, grants from UCB, grants from Abbott, grants and speaker fees from Lilly, grants from BMS, grants from Novartis, grants from Roche, grants from Will Pharma, outside the submitted work.EFM Wouters reports personal fees from Nycomed, personal fees from Boehringer, grants and speaker fees from AstraZeneca, grants and speaker fees from GSK, speaker fees from Novartis, speaker fees from Chiesi, outside the submitted work.JP van den Bergh reports grants from Eli Lilly, grants from Will Pharma, grants from Amgen, outside the submitted work.
: 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.