Received: 18 December 2020
Accepted: 8 March 2021
First Online: 30 March 2021
: 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. To obtain full access to the data, the researchers have submitted an authorization request to the Belgian Privacy Commission. All co-authors were included in this authorization request in order to have access to the data.
: Not applicable.
: The authors declare that there is no conflict of interest.