Institutional Review Board Statement
The study (grant number: BMBF/DLRFKZ: 01EL2001) was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of the University of Kassel on 3 June 2020. The committee assessed the planned project as ethically unobjectionable. The registration in the German Clinical Trials Register (DRKS) took place on 20.07.2020 (DRKS-ID: DRKS00022388).