Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (G043517N)
Received: 12 February 2019
Accepted: 17 May 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: This research as well as the data adhere to the ethical code of scientific research in Belgium, see: ExternalRef removed. All authors have signed the ethical code.The project was approved by the Medical ethics committee of UZ Brussel, VUB - B.U.N. 43201734363.
: Not applicable.
: The authors declare that they have no competing interests.