Funding for this research was provided by:
Research Foundation - Flanders (grant number 11ZX916N LV)
Received: 12 April 2019
Accepted: 3 September 2019
First Online: 1 October 2019
Ethics approval and consent to participate
: I have read the editorial policies on ethics approval. My manuscript includes:- Details about the trial registration and the ethics committee in the abstract.- A section ‘ethical considerations’ clarifying how ethical requirements were met.
: Not applicable.
: The authors declare that they have no competing interests.