Funding for this research was provided by:
Projekt DEAL
Article History
Received: 27 January 2020
Accepted: 31 October 2020
First Online: 30 December 2020
Ethics approval and consent to participate
: The study was approved by the local independent Ethics Committee of the University Hospital Tuebingen. A written informed consent was obtained from the study participants.
: Every student signed our institution’s consent form thus agreeing to publication of their data.
: The authors declare that they have no competing interests.