Received: 20 September 2019
Accepted: 3 December 2020
First Online: 12 December 2020
Ethics approval and consent to participate
: The study protocol is reviewed and approved by the ethical committee of the Maastricht University Medical Centre (MEC azM/UM NL52732.068.15 / METC 152017), which covers all study sites. All participants provide written informed consent prior to participation in the trial.
: Not applicable.
: The authors declare that they have no competing interests.