Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (12X8819N, BOF DOCPRO)
Fonds Wetenschappelijk Onderzoek (BE) (BOF TOP 29069)
Text and Data Mining valid from 2019-08-14
Received: 2 April 2019
Accepted: 22 July 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: This study was approved by the local institutional review boards.
: Written informed consent was obtained from all participants prior to enrolment.
: The authors declare that they have no competing interest.