Blaschke, Simon
Carl, Johannes
Pelster, Klaus
Mess, Filip
Funding for this research was provided by:
Technische Universität München
Article History
Received: 7 November 2022
Accepted: 7 March 2023
First Online: 11 March 2023
Declarations
:
: This study was approved by the ethics committee of the Technical University of Munich, Germany. The approval code is 336/19 S-SR. The HEPA intervention, the data collection and all other aspects of the trial performed were in accordance with the Declaration of Helsinki<b>.</b> The study was retrospectively registered in the German Clinical Trials Register, which is an approved Primary Register in the WHO network, at the 14/10/2022 (DRKS00030514). All participants gave written informed consent before completing the survey and participating at the trial.
: Not applicable because this is no case study.
: The authors declare no competing interests.