Thomas Ostermann*, Hartmut Zillmann*, Christa K Raak, Arndt Buessing and Peter F Matthiessen
* Corresponding authors: Thomas Ostermann thomaso@uni-wh.de - Hartmut Zillmann hartmut.zillmann@web.de
Biomedical Digital Libraries 2007, 4:2 doi:10.1186/1742-5581-4-2