[1] Department of Trauma and Reconstructive Surgery,
[2] University of Hamburg,undefined
[3] Germany,undefined
[4] Department of Pathology,undefined
[5] University of Hamburg,undefined
[6] Germany,undefined
[7] Department of Surgery,undefined
[8] Trauma Divsion,undefined
[9] Thomas Jefferson University,undefined
[10] Philadelphia,undefined
[11] PA.,undefined
[12] USA,undefined
[13] Department of Surgery,undefined
[14] University of Cologne,undefined
[15] Joseph-Stelzmann-Strasse 9,undefined
[16] D-50931 Cologne,undefined
[17] Germany e-mail: guenther.mathiak@uni-koeln.de Tel.: +49-221-478-5001,undefined
[18] Fax: +49-221-478-6258,undefined