[1] Univ Heidelberg, Mannheim Univ Clin, Dept Surg, D-68135 Mannheim, Germany
[2] Univ Heidelberg, Mannheim Univ Clin, Inst Clin Chem, D-68135 Mannheim, Germany
[3] Univ Heidelberg, Mannheim Univ Clin, Dept Pathol, D-68135 Mannheim, Germany
[4] Ist Ric Farmacol Mario Negri, Dept Immunol & Cell Biol, I-20157 Milan, Italy
[5] Univ Heidelberg, Dept Surg, D-69120 Heidelberg, Germany
[6] Univ Heidelberg, Dept Pathol, Dept Mol Pathol, D-69120 Heidelberg, Germany