Richter, M
Vidovic, N
Honrath, B
Mahavadi, P
Dodel, R
Dolga, A M
Culmsee, C
Article History
Received: 30 April 2015
Revised: 3 September 2015
Accepted: 21 September 2015
First Online: 20 November 2015
Competing interests
: The authors declare no conflict of interest.