[1] Paul Ehrlich Inst, D-63225 Langen, Germany
[2] Robert Koch Inst, D-1000 Berlin, Germany
[3] State Off Hlth & Social Affairs LaGeSo, Berlin, Germany
[4] CSL Behring, Marburg, Germany
[5] Univ Munich, Inst Neuropathol & Pr Res, Munich, Germany
[6] German Hemophilia Soc DIIG, Hamburg, Germany
[7] Blood Serv German Red Cross W DRK, Hagen, Germany
[8] Fed Minist Hlth, Bonn, Germany
[9] NewLab BioQual GmbH, Regulatory Affairs & Biol Safety Consulting, Erkrath, Germany
[10] HELIOS Clin Ctr, Krefeld, Germany
[11] Univ Clin Ctr, Natl Reference Ctr Surveillance TSE, Gottingen, Germany