Below, Harald
Baguhl, Romy
Geßner, Wiebke
Kramer, Axel
Below, Elke
Kahlert, Heike
Welk, Alexander
Funding for this research was provided by:
The study was supported by the European regional development Fund (V-630-S-137-2012/024, V-630-F-137-2012/023, V-630-)
Article History
Received: 23 October 2017
Revised: 5 February 2018
Accepted: 8 February 2018
First Online: 5 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.