Received: 31 August 2020
Accepted: 11 January 2021
First Online: 28 January 2021
Ethics approval and consent to participate
: The current study was approved by the Medical Ethics Committee UZ KU Leuven (S49868 - B322201731417). All participants signed an informed consent form. No animals were involved.
: Not applicable.
: The authors declare that they have no competing interests.