Vater, I
Montesinos-Rongen, M
Schlesner, M
Haake, A
Purschke, F
Sprute, R
Mettenmeyer, N
Nazzal, I
Nagel, I
Gutwein, J
Richter, J
Buchhalter, I
Russell, R B
Wiestler, O D
Eils, R
Deckert, M
Siebert, R
Article History
Received: 12 May 2014
Revised: 5 August 2014
Accepted: 29 August 2014
First Online: 5 September 2014
Competing interests
: The authors declare no conflict of interest.