Arsalan-Werner, Annika
Brui, Natallia
Mehling, Isabella
Schlageter, Michael
Sauerbier, Michael
Article History
Received: 1 April 2019
First Online: 21 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the ethics committee of the regional State Chamber of Medicine (approval number FF 61/2016) and written informed consent was obtained from the participants indicating their permission to scientific publication of the data.