1. Drug Research Center Ltd., Balatonfüred, Hungary.
2. N-Gene Research and Development Ltd., Budapest, Hungary.
3. Departments of Pharmacology and Pharmacotherapy, University of Debrecen, Debrecen, Hungary.
4. Department of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University Budapest, Budapest, Hungary.
5. Division of Endocrinology, Metabolism, and Diabetes, School of Medicine, University of Colorado, Anschutz Medical Campus, Aurora, Colorado.
6. Biological Research Center, Hungarian Academy of Sciences, Institute of Biochemistry, Szeged, Hungary.