Augustin, Laura http://orcid.org/0000-0001-9692-1442
Boller, Sarah
Bobach, Cathrein
Jahnke, Alexander
Ahmed, Gafar Adam
Rickert, Markus
Ishaque, Bernd Alexander
Article History
Received: 19 May 2018
Accepted: 21 August 2018
First Online: 3 September 2018
Compliance with ethical standards
: This study was preceded by approval from the University Ethics Committee (reference 152/09).
: The authors declare that they have no conflict of interest.