Funding for this research was provided by:
EU/EFPIA Innovative Medicines Initiative Joint Undertaking EMIF (115372)
Dutch Ministry of Health, Welfare and Sports and the VU University Amsterdam
Text and Data Mining valid from 2018-08-20
Received: 4 May 2018
Accepted: 7 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: All subjects gave written informed consent and the study was approved by the Ethical Review Board of the VU University Medical Center (VUmc) and conducted according to the principles of the Helsinki declaration.
: Not applicable.
: PJV is currently acting as a Section Editor for BMC Geriatrics. The other authors declare that they have no competing interests.
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