1. Department of Microbiology, The Ohio State University, Columbus, Ohio, USA
2. The Center for RNA Biology, The Ohio State University, Columbus, Ohio, USA
3. Institute of Parasitology, Biology Centre, South Bohemia, Czech Academy of Sciences and Faculty of Science, University of South Bohemia, České Budějovice, South Bohemia, Czech Republic
4. Department of Chemistry, Rieveschl Laboratories for Mass Spectrometry, University of Cincinnati, Cincinnati, Ohio, USA
5. The Ohio State Biochemistry Program, The Ohio State University, Columbus, Ohio, USA