[1] Univ Santiago de Compostela, Inst Legal Med, Santiago De Compostela, Spain
[2] NIST, Gaithersburg, MD 20899 USA
[3] Univ Porto, Inst Pathol & Mol Immunol, P-4100 Oporto, Portugal
[4] Innsbruck Med Univ, Inst Legal Med, Innsbruck, Austria
[5] Charite, Inst Legal Med, D-13353 Berlin, Germany
[6] Univ Cologne, Inst Legal Med, Cologne, Germany