Michels, Nele R.
Vanhomwegen, Els
Article History
Received: 2 July 2019
Accepted: 3 September 2019
First Online: 14 September 2019
Ethics approval and consent to participate
: The study was approved by the ethical committee of the University Hospital of Antwerp (registration No B300201525035). All participants gave written informed consent to participate.
: Not applicable
: The authors declare that they have no competing interests.