-National Institute of Health (NHLBI), USA / Duke University Research Institute, USA
-University of Florida, USA
-Clinical Research Services, Germany
-Quintiles Hungary Ltd.
-Abbott/Abbvie Laboratories Ltd., Hungary
-MSD Ltd. Hungary
-Johnson and Johnson (Janssen-Cilag) Ltd. Hungary
-Novartis Hungary Ltd.
-Roche Hungary Ltd.
-Sanofi-Aventis Co. Ltd. Hungary
-Axiom International Inc. Serbia
-Clinical Research Consulting Group LLC, US
-Pharm-Olam International (Hungary) Ltd.
-AstraZeneca Hungary Ltd.