Funding for this research was provided by:
FWO (This work was supported by the grants from the Flemish Government, Department of Economy, Science and Innovation, SOFI-B Grant to CK (Project ID 757003), http://www.fwo.be)
Text and Data Mining valid from 2018-09-25
Received: 1 March 2018
Accepted: 20 September 2018
First Online: 25 September 2018
Ethics approval and consent to participate
: The Institutional Review Board of the Institute of Tropical Medicine and the Ethics Committee of the University Hospital Antwerp approved this study (13/44/426). Individual written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.
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