Received: 12 January 2021
Accepted: 19 March 2021
First Online: 2 April 2021
: The Intego project was presented to the Belgian Privacy Commission (no SCSZG/13/079) and approved by the ethical review board of the Medical School of the KU Leuven (No. ML 1723). All protocols are carried out in accordance with relevant guidelines and regulations. The Intego registry uses an opt-out procedure, therefore, written consent was not obtained from participants.
: Not applicable.
: The authors declare that they have no competing interests.