Received: 14 October 2021
Accepted: 2 December 2021
First Online: 13 December 2021
: Patients at admission to Erasme Hospital received the information that the patient’s surplus biological material can be used for research, unless they don’t consent (opt out).The document has been established by the local ethics committee (ethics committee Erasme-ULB) and is in accordance with Belgian and International law (Helsinki declaration).
: We don’t have any opt out for the patient (see above).
: The authors declare that they have no competing interests.