Funding for this research was provided by:
FOD Volksgezondheid, Veiligheid van de Voedselketen en Leefmilieu
Text and Data Mining valid from 2018-07-24
Received: 28 November 2017
Revised: 12 June 2018
Accepted: 12 July 2018
First Online: 24 July 2018
Ethics approval and consent to participate
: Informed consent and consent to participate was obtained from the expert panel prior to the start of the project. Because no patients were involved in this study, approval of an ethics committee was not required for this project.
: Not applicable.
: The authors declare that they have no competing interests.
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