Loose, Oliver
Fellner, Birgit
Lehmann, Jennifer
Achenbach, Leonard
Krutsch, Volker
Gerling, Stephan
Jansen, Petra
Angele, Peter
Nerlich, Michael
Krutsch, Werner
Funding for this research was provided by:
Verwaltungsberufsgenossenschaft VBG (160.000)
Article History
Received: 30 March 2018
Accepted: 14 August 2018
First Online: 25 August 2018
Conflict of interest
: The authors declare that there is no conflict of interest.
: The study was approved by the Ethics Committee of the University of Regensburg (Number: 15-101-0137).
: Informed consent was obtained from every participant.