Gehrke, N
Garcia-Bardon, D
Mann, A
Schad, A
Alt, Y
Wörns, M A
Sprinzl, M F
Zimmermann, T
Menke, J
Engstler, A J
Bergheim, I
He, Y-W
Galle, P R
Schuchmann, M
Schattenberg, J M
Article History
Received: 5 April 2014
Revised: 13 September 2014
Accepted: 16 September 2014
First Online: 24 October 2014
Competing interests
: The authors declare no conflict of interest.