Bork, U
Rahbari, N N
Schölch, S
Reissfelder, C
Kahlert, C
Büchler, M W
Weitz, J
Koch, M
Article History
Received: 22 September 2014
Revised: 13 January 2015
Accepted: 9 February 2015
First Online: 31 March 2015
Competing interests
: Moritz Koch has served as an external scientific advisory board member of Veridex LLC. The other authors declare no conflict of interest.