Funding for this research was provided by:
German Federal Innovation Fund (01VSF18006)
Received: 26 March 2020
Accepted: 23 July 2020
First Online: 25 August 2020
Ethics approval and consent to participate
: The present workplace intervention was approved by the Ethics Committee of Ulm University under the registration number 99/19. All participants provided written informed consent prior to study enrolment.
: Not applicable.
: Diego Montano, Marco Kuchenbaur and Richard Peter at Ulm University declare no conflict of interest. Heinrich Geissler is consultant and declares no conflict of interest.