1. Institute of Molecular Medicine, Section for Molecular Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg , 06120 Halle (Saale) , Germany
2. New York Genome Center , New York , NY , USA
3. Department of Biology, New York University , New York , NY , USA
4. Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Martin Luther University Halle-Wittenberg , 06120 Halle (Saale) , Germany