1. Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
2. Institute of Molecular Immunology, Helmholtz Center Munich, German Research Center for Environmental Health (GmbH), 81377 Munich, Germany
3. Biochemistry Center Regensburg (BZR), Laboratory for RNA Biology, University of Regensburg, 093053 Regensburg, Germany
4. Comprehensive Cancer Center Erlangen-EMN, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany