Kristina I Ringe*, Bastian P Ringe, Christian von Falck, Hoen-oh Shin, Thomas Becker, Eva-Doreen Pfister, Frank Wacker and Burckhardt Ringe
* Corresponding author: Kristina I Ringe ringe.kristina@mh--hannover.de
BMC Medical Imaging 2012, 12:21 doi:10.1186/1471-2342-12-21