Funding for this research was provided by:
Horizon 2020 Framework Programme (633692)
TiFN (15SD01 (SHARP-BASIC))
Text and Data Mining valid from 2019-01-08
Received: 1 August 2018
Accepted: 11 December 2018
First Online: 8 January 2019
Ethics approval and consent to participate
: The NQplus study was approved by the ethics committee of Wageningen University and conducted according to the Declaration of Helsinki, and all subjects provided their written informed consent.
: Not applicable.
: The authors declare that they have no competing interest.
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