1. Diabetes- und Nierenzentrum; Dormagen Germany
2. University of Tübingen; Tübingen Germany
3. Boehringer Ingelheim Danmark A/S; Copenhagen Denmark
4. Boehringer Ingelheim France S.A.S.; Reims France
5. Boehringer Ingelheim Pharmaceuticals, Inc.; Ridgefield CT USA
6. Boehringer Ingelheim Pharma GmbH & Co. KG; Ingelheim Germany
7. Boehringer Ingelheim Pharma GmbH & Co. KG; Biberach Germany