1. Boehringer Ingelheim Pharma GmbH & Co. KG Biberach Germany
2. Boehringer Ingelheim International GmbH Biberach Germany
3. CRS Clinical Research Services Mannheim GmbH Mannheim Germany
4. Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
5. Boehringer Ingelheim International GmbH Ingelheim Germany