Document is current
Any future updates will be listed below
-
Authors
Schmidt, Oliver
Hink, Linda
Horn, Marcus A
Drake, Harold L
- License Information
-
More Information
Article History
Received: 31 August 2015
Revised: 25 November 2015
Accepted: 7 December 2015
First Online: 15 January 2016
Competing interests
: The authors declare no conflict of interest.
