1. Laboratory of Receptor Biology and Gene Expression, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, United States
2. Institute of Molecular Biology, Johannes Gutenberg University of Mainz, Mainz, Germany
3. Department of Chemistry, Division of Chemical Biology and Medicinal Chemistry, University of North Carolina, Chapel Hill, United States
4. Department of Pharmacology, University of North Carolina, Chapel Hill, United States
5. Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, New York, United States
6. Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, New York, United States