Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (PP00P1-163702, PP00P1_190083)
Received: 6 August 2020
Accepted: 11 March 2021
First Online: 17 March 2021
: This study protocol is approved by the Ethical Committee of Canton Zurich (BASEC 2016-00773). All patients receive written information about the research project, benefits and risks of participation. They are informed that they can withdraw from the study at any time. Written and verbal informed consent is obtained prior to intake assessment.
: Not applicable.
: The author declares that he has no competing financial interests.