[1] Dr Lilienblum Consulting Toxicol LiCoTox, D-30966 Hemmingen Han, Germany
[2] Univ Wurzburg, Inst Toxicol, D-97078 Wurzburg, Germany
[3] Univ Halle, Inst Environm Toxicol, D-06097 Halle, Germany
[4] Fed Inst Occupat Safety & Hlth, D-44149 Dortmund, Germany
[5] Univ Dortmund, Leibniz Res Ctr Working Environm & Human Factors, D-44139 Dortmund, Germany
[6] Univ Dusseldorf, Inst Toxicol, D-40001 Dusseldorf, Germany
[7] Merck KGaA, Inst Toxicol, D-64271 Darmstadt, Germany
[8] Bayer Schering Pharma AG, Nonclin Drug Safety, D-13342 Berlin, Germany
[9] Lower Saxony Govt Inst Publ Hlth, D-30449 Hannover, Germany