Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.|Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.|Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.|Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.|Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.|Research Laboratories of Bayer Schering Pharma AG, Berlin, Germany.