Document is current
Any future updates will be listed below
-
Authors
Ondruschka, B.
Habeck, J.-O.
Hädrich, C.
Dreßler, J.
Bayer, R.
- License Information
-
More Information
Article History
Received: 31 August 2015
Accepted: 15 December 2015
First Online: 30 December 2015
Compliance with ethical standards
:
: The authors declare that they have no competing interest.
Free to read: This content has been made available to all.
