Funding for this research was provided by:
KU Leuven (Leuven University Fund, Opening the future)
Article History
Received: 30 July 2019
Accepted: 24 October 2019
First Online: 4 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors assert that all procedures contributing to this work comply with the Helsinki Declaration of 1975, as revised in 2008. All procedures involving human subjects were approved by the Ethics Committee of the University Hospitals Leuven (Belgian Registration Number B322201731147).
: Written informed consent was obtained from all subjects prior to their inclusion in the study, and to its publication.