[1] Department for Trauma and Reconstructive Surgery,
[2] University of Leipzig,undefined
[3] Liebigstrasse 20a,undefined
[4] 04103 Leipzig,undefined
[5] Germany e-mail: lill@medizin.uni-leipzig.de,undefined
[6] Tel.: +49-341-9717320,undefined
[7] Fax: +49-341-9717319,undefined